Do nothing, and leave nothing undone. ["Doing nothing" is what happens when the doer disappears, it isn't something that one does or chooses not to do.]
Sages do not accumulate for themselves. The more they give to others, the more they possess of their own. The way of Heaven is to benefit others and not to injure.
Find a teacher who is an integral being, a beacon who extends his light and virtue with equal ease to those who appreciate him and those who don't. Shape yourself in his mold, bathe in his nourishing radiance, and reflect it out to the rest of the world.
The fourth (of the four cardinal virtues) is supportiveness: this manifests as service to others without expectation of reward. (Paraphrased: Such service is not a mere conforming to some external rule of behavior, but instead a manifestation of your original nature).
It (Tao) is eternally without desire. So, it can be called small. All things return to it, although it does not make itself their ruler. So, it can be called great.
If princes and kings could follow it (Tao), all things would by themselves abide, Heaven and Earth would unite and sweet dew would fall. People would by themselves find harmony, without being commanded.