Men who are unhappy, like men who sleep badly, are always proud of the fact.

If one lived for ever the joys of life would inevitably in the end lose their savour. As it is, they remain perennially fresh.

The more we realize our minuteness and our impotence in the face of cosmic forces, the more amazing becomes what human beings have achieved.

Remember your humanity, and forget the rest.

I conclude that, while it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.

Religions which have any very strong hold over men's actions have generally some instinctive basis.

History is valuable, to begin with, because it is true; and this, though not the whole of its value, is the foundation and condition of all the rest. That all knowledge, as such, is in some degree good, would appear to be at least probable; and the knowledge of every historical fact possesses this element of goodness, even if it posses no other.