Are there any quotes about the bad nature of human beings?

Question

Are there any quotes about the bad nature of human beings?

Answer 1

'Prejudice can save lots of time, because you can form an opinion without any facts.' - Anonymous

Bad liars need a good memory

The true test of a man's character is what he would do if he knew he would never be caught.

Answer 2

"Through laziness and cowardice a large part of mankind, even after nature has freed them from alien guidance, gladly remain immature. It is because of laziness and cowardice that it is so easy for others to usurp the role of guardians. It is so comfortable to be a minor!" --Kant

"Men never do good unless necessity drives them to it; but when they are free to choose and can do just as they please, confusion and disorder become rampant." --Machiavelli

Answer 3

quotes that depict the stupidity of the president

"Is our children learning"--George Bush