All that we are is the result of what we have thought. The mind is everything. What we think we become.

The important thing is not to stop questioning.

The Superior Man is aware of Righteousness, the inferior man is aware of advantage.

Logic will get you from A to B. Imagination will take you everywhere.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

There are no small steps in great affairs.

Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.