"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."
"The significant problems we have cannot be solved at the same level of thinking with which we created them."
"Life is like riding a bicycle. To keep your balance, you must keep moving."
"Great spirits have always encountered violent opposition from mediocre minds."
"I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones."
"It is harder to crack prejudice than an atom."