إن أعمق دافع في طبيعة الإنسان هو الرغبة في أن يكون مهماً

“Every great advance in science has issued from a new audacity of imagination. ”

“To me faith means not worrying”

“There's all the difference in the world between having something to say, and ha…”

“The two limits of every unit of thinking are a perplexed, troubled, or confused…”