The most ignorant are the most conceited.

The most deluded people are those who choose to ignore what they already know.

The most hopelessly stupid man is he who is not aware he is wise.

Only fools want to be great.

Most people are boring and stupid.

There are more fools in the world than there are people.

The only reason people do not know much is because they do not care to know. They are incurious. Incuriousity is the oddest and most foolish failing there is.

People think they are all sort of things they aren't' he had sad. 'They think they are talented when they're not; they think they're powerful when they're actually just bullies; they think they're good when they're bad. People fools themselves all the time, and they don't know that they're fools

The young people think the old people are fools — but the old people know the young people are fools.

in all countries fools outnumber the rest;

He who knows he is a fool is not the biggest fool; he who knows he is confused is not in the worst confusion. The man in the worst confusion will end his life without ever getting straightened out; the biggest fool will end his life without ever seeing the light. If three men are traveling along and one is confused, they will still get where they are going - because confusion is in the minority. But if two of them are confused, then they can walk until they are exhausted and never get anywhere - because confusion is in the majority.

Idiots and lunatics see only their own wit.

Some ideas are so stupid that only intellectuals believe them.

It is ignorance that causes most mistakes.