It has always been difficult for Man to realize that his life is all an art. It has been more difficult to conceive it so than to act it so. For that is always how he has more or less acted it.

We cannot remain consistent with the world save by growing inconsistent with our past selves.

A religion can no more afford to degrade its Devil than to degrade its God.

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.

Those persons who are burning to display heroism may rest assured that the course of social evolution will offer them every opportunity.

Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent.

All the art of living lies in a fine mingling of letting go and holding on.