It is not what a man knows, but what he thinks of in time.

Education consists mainly of what we have unlearned.

It used to be a good hotel, but that proves nothing - I used to be a good boy.

All say, ‘how hard it is that we have to die’ -- a strange complaint to come from the mouths of those who have had to live.

If we would learn what the human race really is at bottom, we need only observe it in election times.

There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded.

He had an uncommon fondness for cats. As an old man summering in New Hampshire, Twain even rented kittens from a nearby farm to keep him company until he returned home. "If man could be crossed with the cat," said Twain, "it would improve the man, but it would deteriorate the cat." There's always something about your success that displeases even your best friends.