For every fresh stage in our lives we need a fresh education, and there is no stage for which so little educational preparation is made as that which follows the reproductive period.

The relation of the individual person to the species he belongs to is the most intimate of all relations.

The aesthetic pleasure of dance is a secondary reflection of the primary, vital joy of courtship.

It is on our failures that we base a new and different and better success.

So far as business and money are concerned, a country gains nothing by a successful war, even though that war involves the acquisition of immense new provinces.

Philosophy is a purely personal matter. A genuine philosopher's credo is the outcome of a single complex personality; it cannot be transferred. No two persons, if sincere, can have the same philosophy.

Men who know themselves are no longer fools. They stand on the threshold of the door of Wisdom.