Out of the best and most productive years of each man's life, he should carve a segment in which he puts his private career aside to serve his community and his country, and thereby serve his children, his neighbours, his fellow men, and the cause of freedom.
David LilienthalWhether happiness or unhappiness, freedom or slavery, in short whether good or evil results from an improved environment depends largely upon how the change has been brought about, upon the methods by which the physical results have been reached, and in what spirit and for what purpose the fruits of that change are used. Because a higher standard of living, a greater productiveness and a command over nature are not good in and of themselves does not mean that we cannot make good of them, that they cannot be a source of inner strength.
David LilienthalThe manager-leader of the future should combine in one personality the robust, realistic quality of the man of action with the insight of the artist, the religious leader, the poet, who explains man to himself. The man of action alone or the man of contemplation alone will not be enough; these two qualities together are required.
David LilienthalWithin the next few years-a decade perhaps-we should be in a position to unlock new knowledge about life and matter so great that wholly new concepts of human life will follow in the wake of this new knowledge.
David Lilienthal