The difference between a good and a poor architect is that the poor architect succumbs to every temptation and the good one resists it.

The world of the happy is quite different from that of the unhappy.

At the end of reasons comes persuasion.

Logic must look after itself. In a certain sense, we cannot make mistakes in logic.

To believe in God is to see that life has a meaning.

The classifications made by philosophers and psychologists are like trying to classify clouds by their shape.

Humor is not a mood but a way of looking at the world. So if it is correct to say that humor was stamped out in Nazi Germany, that does not mean that people were not in good spirits, or anything of that sort, but something much deeper and more important.