1.knowledge talks and wisdom listens
2.fool me once,shame on you but fool me twice shame on me.
3.those who critcize our generation forget who raised it.
4.be wiser than other people if you can,but never tell them so.
5.the mind is like a parachute,it does not work unless it's open.
6.the best mind-altering drug is truth.
7.don't look where you fall,but where you slipped.
8.he who knows others is wise,bt he knwns himself's enlightened.
9.if you are not part of the cure then you are part of the problem.
10.an investment in knowledge always pays the best interest.
11.think like a man of action and act like a man of thought.
12.one should always paly fair when he has the winning card.
13.enjoy when you can and endure when you must.
14.never challenge an old man,because of you lose,you've lost to an old man.if you win and so what?
15.he who indulges in task without proper knowledge will deterioate rather than improving the case.
16.we make war so we may live in pea

Some more:

Wise men don't need to prove their point; men who need to prove their point aren't wise - Tao Te Ching

The more I live, the more I learn. The more I learn, the more I realize, the less I know - Michel Legrand

Better to remain silent and be thought a fool than to speak out and remove all doubt - Mark Twain

“Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.”

Enlightening. Keep it up guys

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Never be afraid to make a mistake but never a mistake twice

Keeping silent for a fool gives him a point and makes foolishness accepted to others as a way since its unchallenged. AOH