Libraries can in general be too narrow or too wide for the soul.

There is no more important rule of conduct in the world than this: attach yourself as much as you can to people who are abler than you and yet not so very different that you cannot understand them.

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

Of all the inventions of man I doubt whether any was more easily accomplished than that of a Heaven.

I am confident of my ability to demonstrate that one can sometimes believe in something and yet not believe in it. Nothing is less fathomable than the systems that motivate our actions.

The most dangerous untruths are truths slightly distorted.

To make a vow is a greater sin than to break one.