Above all things, never think that you're not good enough yourself. A man should never think that. My belief is that in life people will take you at your own reckoning.
Life is pleasant. Death is peaceful. It's the transition that's troublesome.
Never let your sense of morals get in the way of doing what's right.
The true delight is in the finding out rather than in the knowing.
I don't believe in an afterlife, so I don't have to spend my whole life fearing hell, or fearing heaven even more. For whatever the tortures of hell, I think the boredom of heaven would be even worse.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
Violence is the last refuge of the incompeten.
Self-education is, I firmly believe, the only kind of education there is.
Those people who think they know everything are a great annoyance to those of us who do.”
If knowledge can create problems, it is not through ignorance that we can solve them.”
It is the obvious which is so difficult to see most of the time. People say 'It's as plain as the nose on your face.' But how much of the nose on your face can you see, unless someone holds a mirror up to you?
There are many aspects of the universe that still cannot be explained satisfactorily by science; but ignorance only implies ignorance that may someday be conquered. To surrender to ignorance and call it God has always been premature, and it remains premature today.
They won't listen. Do you know why? Because they have certain fixed notions about the past. Any change would be blasphemy in their eyes, even if it were the truth. They don't want the truth; they want their traditions.
People are entirely too disbelieving of coincidence. They are far too ready to dismiss it and to build arcane structures of extremely rickety substance in order to avoid it. I, on the other hand, see coincidence everywhere as an inevitable consequence of the laws of probability, according to which having no unusual coincidence is far more unusual than any coincidence could possibly be.