God creates the animals, man creates himself.

Theologians always try to turn the Bible into a book without common sense.

The course of the seasons is a piece of clockwork, with a cuckoo to call when it is spring.

Marriage, in contrast to the flu, starts with a fever and ends with the chills.

With God thoughts are colors, with us they are pigments-even the most abstract one may be accompanied by physical pain.

What I do not like about our definitions of genius is that there is in them nothing of the day of judgment, nothing of resounding through eternity and nothing of the footsteps of the Almighty.

Above all things expand the frontiers of science: without this the rest counts for nothing.