The sage does not attempt anything very big, and thus achieves greatness.
Can you comprehend everything in the four directions and still do nothing?
Practice not-doing and everything will fall into place.
In ancient times, those who followed the Way did not try to give people knowledge thereof, but kept them ignorant.
Fill your bowl to the brim and it will spill. Keep sharpening your knife and it will blunt.
If you want to become full, let yourself be empty.