Without love, intelligence is dangerous; without intelligence, love is not enough.

By virtue of being born to humanity, every human being has a right to the development and fulfillment of his potentialities as a human being.

For the person and for the species love is the form of behavior having the highest survival value.

No one should be required to see America for the first time.

The measure of man's humanity is the extent and intensity of his love for mankind.

The natural superiority of women is a biological fact, and a socially acknowledged reality.

It is work, work that one delights in, that is the surest guarantor of happiness. But even here it is a work that has to be earned by labor in one's earlier years. One should labor so hard in youth that everything one does subsequently is easy by comparison.