Intellectual growth should commence at birth and cease only at death.
Peace cannot be kept by force. It can only be achieved by understanding.
It is almost a miracle that modern teaching methods have not yet entirely strangled the holy curiosity of inquiry; for what this delicate little plant needs more than anything, besides stimulation, is freedom.
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.
We can’t solve problems by using the same kind of thinking we used when we created them.
Insanity: doing the same thing over and over again and expecting different results.