Thoughtful people are concerned with the future because that is the only area of experience about which anything can be done. We cannot change the past, and the present is gone as soon as it is reported, but the future is that in which we can make a difference.

A man has made at least a start on discovering the meaning of human life when he plants shade trees under which he knows full well he will never sit.

Our religion is one which challenges the ordinary human standards by holding that the ideal of life is the spirit of a little child. We tend to glorify adulthood and wisdom and worldly prudence, but the Gospel reverses all this. The Gospel says that the inescapable condition of entrance into the divine fellowship is that we turn and become as a little child.

Engineering is a predictive science, not a manipulative art.

It takes a noble man to plant a seed for a tree that will someday give shade to people he may never meet.

No vital Christianity is possible unless at least three aspects of it are developed. These are the inner life of devotion, the outer life of service, and the intellectual life of rationality.

Religion is never devoid of emotion, any more than love is. It is not a defect of religion, but rather its glory, that it speaks always the language of feeling.