The belief that youth is the happiest time of life is founded upon a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

The sage is like the sky, which appears to be small and limited, but in reality is vast and limitless. The ignorant person is like a cloud, which seems to cover a lot of space, but in reality has no substance.

The only thing worse than being blind is having sight but no vision.

Innovation distinguishes between a leader and a follower.

Success is not dependent upon external conditions; it is governed by our mental attitude.

All is flux; nothing stays still

Wisdom is the supreme part of happiness.