When your tongue is silent, you can rest in the silence of the forest. When your imagination is silent, the forest speaks to you. It tells you of its unreality and of the Reality of God. But when your mind is silent, then the forest suddenly becomes magnificently real and blazes transparently with the Reality of God.
The motivations of a scientist are always mixed and complex. . . every medical student has the desire to do good in the world. Making a small contribution to that effort is really in a sense the last significant thing that I want to do with my life.