Intellectuals solve problems, geniuses prevent them.
There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.
I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war.
The significant problems we face cannot be solved at the same level of thinking we were at when we created them.