Our duty, as men and women, is to proceed as if limits to our ability did not exist. We are collaborators in creation.

The most satisfying thing in life is to have been able to give a large part of one's self to others.

Reach beyond your grasp. Your goals should be grand enough to get the best of you.

We see not only thought as participating in evolution as an anomaly or as an epiphenomenon; but evolution as so reducible to and identifiable with a progress towards thought that the movement of our souls expresses and measures the very stages of progress of evolution itself. Man discovers that he is nothing else than evolution become conscious of itself.

Growing old is like being increasingly penalized for a crime you haven't committed.

We have only to believe. And the more threatening and irreducible reality appears, the more firmly and desperately we must believe. Then, little by little, we shall see the universal horror unbend, and then smile upon us, and then take us in its more than human arms.

Everything that rises must converge.