Never underestimate the stupidity of a mob.
There are two kinds of fools. One says, “This is old, therefore it is good.” The other says, “This is new, therefore it is better.”
He who laughs at everything is as big a fool as he who weeps at everything.
An erudite fool is a greater fool than an ignorant fool.
Send a fool to close the shutters and he’ll close them all over town.
A fool is his own informer.
Let us be thankful for the fools; but for them the rest of us could not succeed.
When a fool has made up his mind the market has gone by.
Professing themselves to be wise, they became fools.
Fool me once, shame on you; fool me twice, shame on me.