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

Engineering is a predictive science, not a manipulative art.

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.

The Christian is joyful, not because he is blind to injustice and suffering, but because he is convinced that these, in the light of the divine sovereignty, are never ultimate. The Christian can be sad, and often is perplexed, but he is never really worried, because he knows that the purpose of God is to bring all things in heaven and on earth together under one head, even Christ.

The only way to happiness is never to give happiness a thought.

Never trust a theologian who doesn't have a sense of humor.

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.