I would teach peace rather than war, love rather than hate.

The further the spiritual evolution of mankind advances, the more certain it seems to me that the path to genuine religiosity does not lie through the fear of life, and the fear of death, and blind faith, but through striving after rational knowledge.

The same thinking and actions that created our problems cannot be used to solve them.

Despite my being an old gypsy there is a tendency to respectability inherent in old age.

Nothing causes more consternation in a group of hypocrits than one honest man.

If you want to know the future, look at the past.

Intuitive powers played a central role in my scientific work, not wild speculation, yet a valued resource when no other approach was available.