Small is the number of people who see with their eyes and think with their minds.

The theory must not contradict empirical facts.

What I'm really interested in is whether God could have made the world in a different way; that is, whether the necessity of logical simplicity leaves any freedom at all.

A finely tempered nature longs to escape from the personal life into the world of objective perception and thought.

When the number of factors coming into play in a phenomenological complex is too large scientific method in most cases fails. One need only think of the weather, in which case the prediction even for a few days ahead is impossible.

I have not eaten enough of the tree of knowledge, though in my profession I am obligated to feed on it regularly.

The dog is very smart. He feels sorry for me because I receive so much mail; that's why he tries to bite the mailman.