It is your enemies who keep you straight. For real use one active, sneering enemy is worth two ordinary friends.

If the fools do not control the world, it isn't because they are not in the majority.

The man who can keep a secret may be wise, but he is not half as wise as the man with no secrets to keep.

The sounder your argument, the more satisfaction you get out of it.

If you don't learn to laugh at troubles, you won't have anything to laugh at when you grow old.

There is nothing so well known as that we should not expect something for nothing - but we all do and call it Hope.

It is your enemies who keep you straight. For real use one active, sneering enemy is worth two ordinary friends.