Without seeing any reason to believe that women are, on the average, so strong physically, intellectually, or morally, as men, I cannot shut my eyes to the fact that many women are much better endowed in all these respects than many men, and I am at a loss to understand on what grounds of justice or public policy a career which is open to the weakest and most foolish of the male sex should be forcibly closed to women of vigor and capacity.

A man's worst difficulties begin when he is able to do as he likes.

A world of facts lies outside and beyond the world of words.

Fact I know; and Law I know; but what is this Necessity, save an empty shadow of my own mind's throwing?

If a man cannot see a church, it is preposterous to take his opinion about its altar-piece or painted window.

Science is simply common sense at its best.

The only people, scientific or other, who never make mistakes are those who do nothing.