A leader or a man of action in a crisis almost always acts subconsciously and then thinks of the reasons for his action

Try not to become a man of success, But rather try to become a man of value.

Reason and free inquiry are the only effectual agents against error

The measure of intelligence is the ability to change.

Imagination is the highest form of research.

Success is not about seeking constant external recognition; it's about finding fulfillment and meaning in the work you do and the impact you have on others.

Your goals should be so big that they scare you a little and excite you a lot.