The heart has its reasons of which reason knows nothing.

We do not worry about being respected in towns through which we pass. But if we are going to remain in one for a certain time, we do worry. How long does this time have to be?

Our true dignity consists — in thought. Thence we must derive our elevation, not from space or duration. Let us endeavor then to think well; this is the principle of morals.

The multitude which does not reduce itself to unity is confusion.

There are two equally dangerous extremes-to shut reason out, and to let nothing else in.

Those who are accustomed to judge by feeling do not understand the process of reasoning, because they want to comprehend at a glance and are not used to seeking for first principles. Those, on the other hand, who are accustomed to reason from first principles do not understand matters of feeling at all, because they look for first principles and are unable to comprehend at a glance.

Kind words do not cost much. They never blister the tongue or lips. They make other people good-natured. They also produce their own image on men's souls, and a beautiful image it is.