Most works of art, like most wines, ought to be consumed in the district of their fabrication.

We must prefer real hell to an imaginary paradise.

Truth is one, but error is manifold.

If we concentrate our attention on trying to solve a problem of geometry, and if at the end of an hour we are no nearer to doing so than at the beginning, we have nevertheless been making progress each minute of that hour in another more mysterious dimension. Without knowing or feeling it, this apparent barren affort has brought more light into the soul.

In what concerns divine things, belief is not appropriate. Only certainty will do. Anything less than certainty is unworthy of God.

Renunciation is submission to time.

The villagers seldom leave the village; many scientists have limited and poorly cultivated minds apart from their specialty.