How did mankind ever come by the idea of liberty? What a grand thought it was!

There are very many people who read simply to prevent themselves from thinking.

Doubt must be no more than vigilance, otherwise it can become dangerous.

Love is blind, but marriage restores its sight.

If we thought more for ourselves we would have very many more bad books and very many more good ones.

There is a great difference between believing in something and believing in it again.

Once we know our weaknesses they cease to do us any harm.