Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.
Every science begins as philosophy and ends as art.
A clear conscience is the sure sign of a bad memory.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time someting like that happened in politics or religion.
If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits?
The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.
Science is not only compatible with spirituality; it is a profound source of spirituality.
...a science is said to be useful if its development tends to accentuate the existing inequalities in the destribution of wealth, or more directly promotes the destruction of human life.
Before a war military science seems a real science, like astronomy; but after a war it seems more like astrology.