Unity, not uniformity, must be our aim. We attain unity only through variety. Differences must be integrated, not annihilated, not absorbed.

We can never catch up with life ... we shall always be eating the soft part of our melting ice and meanwhile the nice hard part is rapidly melting too.

We are not wholly patriotic when we are working with all our heart for America merely; we are truly patriotic only when we are working also that America may take her place worthily and helpfully in the world of nations . . . Interdependence is the keynote of the relations of nations as it is the keynote of the relations of individuals within nations.

The insight to see possible new paths, the courage to try them, the judgment to measure results - these are the qualities of a leader.

The conflict of chemistry we do not think reprehensible. If we could look at social conflict as neither good nor bad, but simply a fact, we should make great strides in our thinking.

The most successful leader of all is the one who sees another picture not yet actualized. He sees the things which are not yet there... Above all, he should make his co-workers see that it is not his purpose which is to be achieved, but a common purpose, born of the desires and the activities of the group.

I do not think that we have psychological and ethical and economic problems. We have human problems, with psychological, ethical and economical aspects, and as many others as you like.