A fool thinks himself to be wise, but a wise man knows himself to be a fool.
The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
The heart of a fool is in his mouth, but the mouth of a wise man is in his heart.
A fool and his money are soon married.
People do not wish to appear foolish; to avoid the appearance of foolishness, they are willing to remain actually fools.
A wise man gets more use from his enemies than a fool from his friends.
Build a system that even a fool can use, and only a fool will want to use it.
A fool always finds a greater fool to admire him.
Any fool can make a rule, and any fool will mind it.
A fool flatters himself, a wise man flatters the fool.
A clever child brought up with a foolish one can itself become foolish. Man is so perfectible and corruptible he can become a fool through good sense.
Colleges don't make fools, they only develop them.
Wise men don't need advice. Fools won't take it.
Our wisdom comes from our experience, and our experience comes from our foolishness.
Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.
Take all the fools out of this world and there wouldn't be any fun living in it, or profit.
Mix a little foolishness with your serious plans. It is lovely to be silly at the right moment.
There is a microscopically thin line between being brilliantly creative and acting like the most gigantic idiot on earth.
Wisdom is the right use of knowledge.
A foolishness is inflicted with a hatred of itself.
It takes a touch of genius - and a lot of courage to move in the opposite direction.
To know is not to be wise. To know how to use knowledge is to have wisdom.
Fool me once, shame on - shame on you. Fool me - you can't get fooled again.
A fool and his money get a lot of publicity.
The world is full of fools; and he who would not wish to see one, must not only shut himself up alone, but must also break his looking-glass.
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