Civilized people cannot fully satisfy their sexual instinct without love.

Real life is, to most men, a long second best, a perpetual compromise between the ideal and the possible.

To the primitive mind, everything is either friendly or hostile; but experience has shown that friendliness and hostility are not the conceptions by which the world is to be understood.

In America everybody is of the opinion that he has no social superiors, since all men are equal, but he does not admit that he has no social inferiors, for, from the time of Jefferson onward, the doctrine that all men are equal applies only upwards, not downwards.

Love should be a tree whose roots are deep in the earth, but whose branches extend into heaven.

Historically, it is quite doubtful whether Christ ever existed at all, and if He did we do not know anything about Him.

One of the chief triumphs of modern mathematics consists in having discovered what mathematics really is.