An intelligence that is not humane is the most dangerous thing in the world .

All education should be directed toward the refinement of the individual's sensibilities in relation not only to one's fellow humans everywhere, but to all living things whatsoever.

Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of certainty, but its exploration. For the scientist, certainty represents the highest degree of probability.

The whole of life is a journey toward youthful old age, toward self-contemplation, love, gaiety, and, in a fundamental sense, the most gratifying time of our lives. . . . "Old age" should be a harvest time when the riches of life are reaped and enjoyed, while it continues to be a special period for self-development and expansion.

Man is the only 150 pound nonlinear servomechanism that can be wholly reproduced by unskilled labor.

Love, for too many men in our time, consists of sleeping with a seductive woman, one who is properly endowed with the right distribution of curves and conveniences and one upon whom a permanent lien has been acquired through the institution of marriage.

Love is the supreme form of communication. In the hierarchy of needs, love stands as the supreme developing agent of the humanity of the person. As such, the teaching of love should be the central core of all early childhood curriculum with all other subjects growing naturally out of such teaching.