The true sign of intelligence is not knowledge but imagination.

The led must not be compelled; they must be able to choose their own leader.

Know where to find the information and how to use it - That's the secret of success.

Money only appeals to selfishness and always tempts its owners irresistibly to abuse it. Can anyone imagine Moses, Jesus, or Gandhi armed with the money-bags of Carnegie?

Paper is to write things down that we need to remember. Our brains are used to think.

Don't think about why you question, simply don't stop questioning. Don't worry about what you can't answer, and don't try to explain what you can't know. Curiosity is its own reason. Aren't you in awe when you contemplate the mysteries of eternity, of life, of the marvelous structure behind reality? And this is the miracle of the human mind - to use its constructions, concepts, and formulas as tools to explain what man sees, feels and touches. Try to comprehend a little more each day. Have holy curiosity.

To stimulate creativity one must develop childlike inclination for play and the childlike desire for recognition.