The ears of the common people are holier than the hearts of the priests.

A great memory does not make a mind, any more than a dictionary is a piece of literature.

If we are intended for great ends, we are called to great hazards.

To discover and to teach are distinct functions; they are also distinct gifts, and are not commonly found united in the same person.

There is a knowledge which is desirable, though nothing come of it, as being of itself a treasure, and a sufficient remuneration of years of labor.

Now what is it moves our very hearts, and sickens us so much at cruelty shown to poor brutes? I suppose this first, that they have done no harm; next, that they have no power whatever of resistance; it is the cowardice and tyranny of which they are the victims which makes their sufferings so especially touching.

From the age of fifteen, dogma has been the fundamental principle of my religion: I know no other religion; I cannot enter into the idea of any other sort of religion; religion, as a mere sentiment, is to me a dream and a mockery.