Marriage, in contrast to the flu, starts with a fever and ends with the chills.

Nothing reveals a man's character better than the kind of joke at which he takes offense.

I have often noticed that when people come to understand a mathematical proposition in some other way than that of the ordinary demonstration, they promptly say, "Oh, I see. That's how it must be." This is a sign that they explain it to themselves from within their own system.

The human tendency to regard little things as important has produced very many great things.

I made the journey to knowledge like dogs who go for walks with their masters, a hundred times forward and backward over the same territory; and when I arrived I was tired.

One must judge men not by their opinions, but by what their opinions have made of them.

A sure sign of a good book is that you like it more the older you get.