The greatest tragedy of human existence is the illusion of separateness.

Any fool can know. The point is to understand.

What the individual can do is to give a fine example, and to have the courage to uphold ethical values .. in a society of cynics.

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

Do you remember how electrical currents and 'unseen waves' were laughed at? The knowledge about man is still in its infancy.

My mind is my laboratory.

I never commit to memory anything that can easily be looked up in a book