Look deep into nature, and then you will understand everything better.
You can never solve a problem on the level on which it was created.
Intellectual growth should commence at birth and cease only at death.
Only two things are infinite, the universe and human stupidity, and I’m not sure about the former.
The important thing is not to stop questioning. Curiosity has its own reason for existing.
Weakness of attitude becomes weakness of character.
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.
Whoever is careless with the truth in small matters cannot be trusted with important matters.