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.]

It's hard to keep your balance standing tip-toe.

Act without expectation.

Fill your bowl to the brim and it will spill. Keep sharpening your knife and it will blunt. Chase after money and security and your heart will never unclench. Care about people's approval and you will be their prisoner. Do your work, then step back. The only path to serenity.

When great armies go to war, Sorrow is the sole winner.

The journey of a thousand miles begins with one step.

There is something obscure which is complete before heaven and earth arose; tranquil, quiet, standing alone without change, moving without peril. It could be the mother of everything. Not knowing its name, I call it Tao.