Strange is our situation here on earth. Each of us comes for a short visit, not knowing why, yet sometimes seeming to divine a purpose.

Our death is not an end if we can live on in our children and the younger generation. For they are us; our bodies are only wilted leaves on the tree of life.

Condemnation without investigation is the height of ignorance

The only real valuable thing is intuition.

In a healthy nation there is a kind of dramatic balance between the will of the people and the government, which prevents its degeneration into tyranny.

Life is like riding a bicycle. If you want to stay balanced you've got to keep moving forward.

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