To be happy in this world, especially when youth is past, it is necessary to feel oneself not merely an isolated individual whose day will soon be over, but part of the stream of life flowing on from the first germ to the remote and unknown future.

Analytic It is clear that the definition of "logic" or "mathematics" must be sought by trying to give a new definition of the old notion of "analytic" propositions.

Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.

The difficulty is old, but none the less real. An omnipotent being who created a world containing evil not due to sin must Himself be at least partially evil.

Human nature is so constructed that it gives affection most readily to those who seem least to demand it.

Awareness of universals is called conceiving, and a universal of which we are aware is called a concept.

Philosophy is to be studied, not for the sake of any definite answers to its questions, since no definite answers can, as a rule, be known to be true, but rather for the sake of the questions themselves; because these questions enlarge our conception of what is possible, enrich our intellectual imagination and diminish the dogmatic assurance which closes the mind against speculation; but above all because, through the greatness of the universe which philosophy contemplates, the mind is also rendered great, and becomes capable of that union with the universe which constitutes its highest good.