An angry man is full of poison.
As the water shapes itself to the vessel that contains it, so a wise man adapts himself to circumstances.
Heaven sends down its good and evil symbols and wise men act accordingly.
Virtuous people often revenge themselves for the constraints to which they submit by the boredom which they inspire.
The superior man thinks always of virtue; the common man thinks of comfort.
He who cannot describe the problem will never find the solution to that problem.