All progress and growth is a matter of change, but change must be growth within our social and government concepts if it should not destroy them.

An ideal is an unselfish aspiration. Its purpose is the general welfare not only of this but of future generations. It is a thing of the spirit. It is a generous and humane desire that all men may share equally in a common good. Our ideals are the cement, which binds human society.

Above all, we know that although Americans can be led to make great sacrifices, they do not like to be driven.

Man is still by instinct a predatory animal given to devilish aggression. The discoveries of science have immensely increased productivity of material things. They have increased the standards of living and comfort. They have eliminated infinite drudgery. They have increased leisure. But that gives more time for devilment. The work of science has eliminated much disease and suffering. It has increased the length of life. That, together with increase in productivity, has resulted in vastly increased populations. Also it increased the number of people engaged in devilment.

Engineering without imagination sinks to a trade.

The use of the atomic bomb, with its indiscriminate killing of women and children, revolts my soul.

The most essential factor to economic recovery today [1932] is the restoration of confidence.