Just for fun, I will try these without reading your "spoilers"
1. You should arouse the thought of enlightenment / I. The Need to Awaken to the Bodhi-Mind
Be diligent in practice, start today, keep going ... all while dropping all thought of enlightenment, start vs. finish, and idea of any place else to go. Thus manifest diligence in this moment of practice, right now its own start and finish, no place to go so keep going! Practice is enlightenment.
In this way, one sees through this world of birth and death and all impermanence, Just Sitting in this moment of constant birth and death yet unborn, dropping all notions of time.
An influence of yogacara that might remain strong in Zen teaching, including Master Dogen's view of Shikantaza, is that Manas cuts up and divides the world into pieces, as well as self vs. other, past/present/future, thus creating all the resulting frictions. Our Zazen practice tunes down or turns off that dividing and self making, thus tuning into the wholeness and unbroken flowing timeless of the Alaya-vijnana. I feel that is a good traditional description (not in conflict, by the way, with what modern psychology and neuroscience tells us about how a model of world and self is created in the human brain.) Master Dogen may have realized how to BOTH drop Manas AND live seeing the world through what Manas experiences ALL AT ONCE, like two sides of a no sided coin ... Manas-non-Manas ... Thinking-non-Thinking.
Bodhi-mind is both the wish to find this truth and, for Master Dogen, the finding each step of the way both before, during and after its finding.
2 Once you see or hear the true teaching, you should practice it without fail / II. The Need for Training upon Encountering the True Law
For Master Dogen, training never ends for a Buddha, for the training is Buddha realizing Buddha without end.
3. In the buddha way, you should always enter enlightenment through practice / III. The Need to Realize the Way through Constant Training
While there is no place to exit or enter, one enters practice through enlightenment and exits enlightenment through practice.
Buddha says, "within practice there is enlightenment." Within enlightenment, there is practice. Without practice, enlightenment does not manifest. This practice is immediately realizing the treasure always in hand. It is the entrance to that which cannot be entered. Buddha can be neglected and forgotten, but can never be left behind.
But "If you arouse practice as though climbing the steps of enlightenment, not even a speck of dust will support your feet; you will be as far from true practice as heaven is from earth. Now step back and leap beyond the buddha land."
4. You should not practice Buddha’s teaching with the idea of gain / IV. The Need for Selfless Practice of the Way
Radically gaining to the marrow the wisdom of non-gaining is a most precious acquisition. Buddha can never be "gotten," but most folks do not "get" that fact.
We should not practice for our own sake, only for the benefit of all suffering sentient beings ... and yet, there are no sentient beings to suffer.
Students! Do not practice buddha-dharma for your own sake. Do not practice buddha-dharma for name and gain. Do not practice buddha-dharma to attain miraculous effects. Practice buddha-dharma solely for the sake of buddha-dharma. This is the way.
5. You should seek a true teacher to practice Zen and study the way / V. The Need to Seek a True Master
Because most foolish humans fill their heads and hearts with all kinds of foolish things without a friend or two to point them in good directions. Zen can go weird or turn into a snipe hunt.
To find a True Master, try Craigslist:
https://losangeles.craigslist.org/searc ... zen+master
(The Tanahashi version online omits the following, although it is in the print versions: https://terebess.hu/zen/dogen/Moon-in-a-dewdrop.pdf
6. What you should know for practicing Zen / VI. Advice for the Practice of Zen
Bust your ass in Zazen, sit long and hard, sit through thick and thin ... all while dropping any thought of anything to attain, anything lacking, and even "long vs. short, easy vs. hard, thick and thin."
Dogen writes there, "Students who would like to study the way must not wish for easy practice. If you seek easy practice, you will for certain never reach the ground of truth or dig down to the place of treasure. Even teachers of old who had great capacity said that practice is difficult. ... On the other hand, we can see that breaking bones or crushing marrow is not difficult, but to harmonize the mind* is most difficult. Again, the practice of prolonged austerities is not difficult, but to harmonize bodily activities* is most difficult. Do you think crushing bones is of value? Although many endured such practice, few of them attained dharma. Do you think people practicing austerities are to be respected? Although there have been many, few of them have realized the way, for they still have difficulty in harmonizing the mind.
7. Those who long to leave the world and practice Buddha-dharma should study Zen / VII. The Need for Zen Training in Buddhist Practice and Enlightenment
There are no schools of Zen, and there is no "Zen." For that reason, Dogen writes, "Other schools do not do this. Without studying Zen those who seek the way cannot know the true way."
8. The conduct of Zen monks / VIII. The Conduct of Zen Monks
Keep practicing, live gently, avoid harm.
There "is no abiding, no attaching, no standing still, and no stagnating. A monk asked Zhaozhou, "Does a dog have buddha nature or not?"
Zhaozhou replied, "Mu. Beyond this word mu can you measure anything or grasp anything? There is entirely nothing to hold on to ... What is body-and-mind? What is conduct? What is birth-and-death? What is buddha-dharma? What are the laws of the world? What, in the end, are mountains, rivers, earth, human beings, animals, and houses? When you observe thoroughly, it follows that the two aspects of motion and stillness do not arise at all. Though motion and stillness do not arise, things are not fixed."
All is empty, keep going. Motion is stillness, stillness is motion. Sit as the world turns.
9. You should practice throughout the way / IX. The Need to Practice in Accordance with the Way
Enlightenment is never reached, yet enlightenment never ends. Practice is always right on the spot, always flowing into the next moment and next moment.
"[Shakyamuni] sat under the bodhi tree and was immediately awakened to the way, the unsurpassed vehicle, when he saw the morning star. ... The buddha way is under everyone's heel. Immersed in the way, clearly understand right on the spot. Immersed in enlightenment, you yourself are complete. Therefore, even though you arrive at full understanding, still this is only a part of enlightenment. This is how it is with practice throughout the way."
You yourself are already complete, so keep polishing. There is no place in need of going but here, so keep on going.
10. Immediately hitting the mark / X. The Direct Realization of the Way
The Way is right where we sit Zazen then get up to walk.