The concept of number is the obvious distinction between the beast and man.

There is no easy method of learning difficult things. The method is to close the door, give out that you are not at home, and work.

I don't know what a scoundrel is like, but I know what a respectable man is like, and it's enough to make one's flesh creep.

We are tainted by modern philosophy which has taught us that all is good, whereas evil has polluted everything and in a very real sense all is evil, since nothing is in its proper place.

All pain is a punishment, and every punishment is inflicted for love as much as for justice.

False opinions are like false money, struck first of all by guilty men and thereafter circulated by honest people who perpetuate the crime without knowing what they are doing.

In a democracy people get the leaders they deserve.