All the qualities of a man acquire dignity when he knows that the service of the collectivity that owns him needs them. If proud of the collectivity, his own pride rises in proportion. No collectivity is like an army for nourishing such pride.

One hearty laugh together will bring enemies into a closer communion of heart than hours spent on both sides in inward wrestling with the mental demon of uncharitable feeling.

Metaphysics means nothing but an unusually obstinate effort to think clearly.

We must not just patch and tinker with life. We must keep renewing it. Embrace novelty and uniqueness.

To neglect the wise sayings of great thinkers is to deny ourselves the truest education.

The greatest empiricists among us are only empiricists on reflection: when left to their instincts, they dogmatize like infallible popes.

True is the name for whatever idea starts the verification process, useful is the name for its completed function in experience