The indifference, callousness and contempt that so many people exhibit toward animals is evil first because it results in great suffering in animals, and second because it results in an incalculably great impoverishment of the human spirit.

In the midst of difficulty lies opportunity.

I wish to do something Great and Wonderful, but I must start by doing the little things like they were Great and Wonderful

The main task of the spirit is to free man from his ego.

My pacifism is not based on any intellectual theory but on a deep antipathy to every form of cruelty and hatred.

The intellect has little to do on the road to discovery. There comes a leap in consciousness, call it Intuition or what you will, the solution comes to you and you don't know how or why.

People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.