To have a firm persuasion in our work -- to feel that what we do is right for ourselves and good for the world at exactly the same time — is one of the great triumphs of human existence... To have a firm persuasion, to set out boldly in our work, is to make a pilgrimage of our labors, to understand that the consummation of work lies not only in what we have done, but who we have become while accomplishing the task... Work, at its best, is one of the great human gateways to the eternal and the timeless.
Look at this window: it is nothing but a hole in the wall, but because of it the whole room is full of light. So when the faculties are empty, the heart is full of light. Being full of light it becomes an influence by which others are secretly transformed.