Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
Let every man be respected as an individual and no man idolized.
It stands to the everlasting credit of science that by acting on the human mind it has overcome man’s insecurity before himself and before nature.
It was the experience of mystery – even if mixed with fear – that engendered religion.
It’s not that I’m so smart, it’s just that I stay with problems longer.
It is the supreme art of the teacher to awaken joy in creative expression and knowledge.
It should be possible to explain the laws of physics to a barmaid.
It is only to the individual that a soul is given.
It is strange to be known so universally and yet to be so lonely.
Isn’t it strange that I who have written only unpopular books should be such a popular fellow?
It gives me great pleasure indeed to see the stubbornness of an incorrigible nonconformist warmly acclaimed.
It has become appallingly obvious that our technology has exceeded our humanity.
It is a miracle that curiosity survives formal education.
It is my conviction that killing under the cloak of war is nothing but an act of murder.
Intellectual growth should commence at birth and cease only at death.
Intellectuals solve problems, geniuses prevent them.
Information is not knowledge.
Insanity: doing the same thing over and over again and expecting different results.
Imagination is everything. It is the preview of life’s coming attractions.
Imagination is more important than knowledge.