Punctuality is a quality the need of which is bound up with social co-operation. It has nothing to do with the relation of the soul to God, or with mystic insight, or with any of the matters with which the more elevated and spiritual moralists are concerned.

In any closet, you can find it, if it is too small, or out of style, or there is just one of it where there should be two

More cranks take up unfashionable errors than unfashionable truths.

When we look at a rock what we are seeing is not the rock, but the effect of the rock upon us.

Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

You must believe that you can help bring about a better world. A good society is produced only by good individuals, just as truly as a majority in a presidential election is produced by the votes of single electors.

True happiness for human beings is possible only to those who develop their godlike potentialities to the utmost.