"Although I am a typical loner in my daily life, my awareness of belonging to the invisible community of those who strive for truth, beauty, and justice has prevented me from feelings of isolation."
"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe."
"It is not that I'm so smart. But I stay with the questions much longer."
"Even on the most solemn occasions I got away without wearing socks and hid that lack of civilization in high boots"
"The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives."
"Imagination is everything. It is the preview of life's coming attractions."