I believe that we don't need to worry about what happens after this life, as long as we do our duty here-to love and to serve.

The really valuable method of thought to arrive at a logically coherent system is intuition.

I am a determinist. As such, I do not believe in free will. The Jews believe in free will. They believe that man shapes his own life. I reject that doctrine philosophically. In that respect I am not a Jew.

Communities tend to be guided less than individuals by conscience and a sense of responsibility. How much misery does this fact cause mankind! It is the source of wars and every kind of oppression, which fill the earth with pain, sighs and bitterness.

Human beings, in their thinking, feeling and acting are not free agents but are as causally bound as the stars in their motion.

The measure of intelligence is the ability to change.

But nature did not deem it her business to make the discovery of her laws easy for us.