Progress is impossible without change, and those who cannot change their minds, can't change anything.

A few observations and much reasoning lead to error; many observations and a little reasoning to truth.

The trouble with being punctual is that nobody's there to appreciate it.

Character, not circumstances, makes the man.

Your time is limited, so dont waste it living someone

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

“Peace cannot be kept by force. It can only be achieved by understanding.”