If you can't explain something simply, you don't know enough about it.

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I believe we are here to do good. It is the responsibility of every human being to aspire to do something worthwhile, to make the world a better place than the one we found.

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The difference between stupidity and genius is that genius has its limits.

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Don't listen to the person who has the answers; listen to the person who has the questions.

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Everything that exists in your life, does so because of two things: something you did or something you didn't do.

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If one day you have to choose between the world and love, remember this: If you choose the world you’ll be left without love, but if you choose love, with it you will conquer the world

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Knowledge and ego are directly related. the less knowledge, the greater the ego

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I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

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The world will not be destroyed by those who do evil, but by those who watch them without doing anything.

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Don't listen to their words, fix your attention on their deeds.

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