Life is a series of collisions with the future.

We cannot put off living until we are ready. The most salient characteristic of life is its urgency, 'here and now' without any possible postponement. Life is fired at us point-blank.

What makes a nation great is not primarily its great men, but the stature of its innumerable mediocre ones.

Effort is only effort when it begins to hurt.

The form most contradictory to human life that can appear among the human species is the "self-satisfied man."

Triumph cannot help being cruel.

The world is the sum-total of our vital possibilities.