Don't break the silence unless you can improve on it.

Lutheranism is essentially German... It worships a God who is neither just nor merciful.

For better or worse, man is the tool-using animal, and as such he has become the lord of creation. When he is lord also of himself, he will deserve his self-chosen title homo sapiens.

The world belongs to those who think and act with it, who keep a finger on its pulse.

If the universe is running down like a clock, the clock must have been wound up at a date which we could name if we knew it. The world, if it is to have an end in time, must have had a beginning in time.

Faith always contains an element of risk, of venture; and we are impelled to make the venture by the affinity and attraction which we feel in ourselves.

Whoever marries the spirit of this age will find himself a widower in the next.