- The only source of knowledge is experience.
- Look deep into nature, and then you will understand everything better.
- Logic will get you from A to B. Imagination will take you everywhere.
- We cannot solve our problems with the same thinking we used when we created them.
- The true sign of intelligence is not knowledge but imagination.
- Try not to become a man of success, but rather try to become a man of value.
- Insanity: doing the same thing over and over again and expecting different results.
- Whoever is careless with the truth in small matters cannot be trusted with important matters.
- Once we accept our limits, we go beyond them.
- The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.
- A person who never made a mistake never tried anything new.
- Weakness of attitude becomes weakness of character.
- Peace cannot be kept by force; it can only be achieved by understanding.
- There are two ways to live: you can live as if nothing is a miracle; you can live as if everything is a miracle.
