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Every scientific fulfillment raises new questions; it asks to be surpassed and outdated.

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Someone has described science as an orderly arrangement of what, at the moment, seems to be facts.

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The ultimate security is your understanding of reality.

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If little else, the brain is an educational toy.

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He who is always his own counselor will often have a fool for his client.

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Who to himself is law, no law doth need.

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For want of self-restraint many men are engaged all their lives in fighting with difficulties of their own making, and rendering success impossible by their own cross-grained ungentleness; whilst others, it may be much less gifted, make their way and achieve success by simple patience, equanimity, and self-control.

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To be deceived by our enemies or betrayed by our friends in insupportable; yet by ourselves we are often content to be so treated.

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"Know thyself," said the old philosopher, "improve thyself," saith the new. Our great object in time is not to waste our passions and gifts on the things external that we must leave behind, but that we cultivate within us all that we can carry into the eternal progress beyond.

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You do not need to be loved, not at the cost of yourself. The single relationship that is truly central and crucial in a life is the relationship to the self. Of all the people you will know in a lifetime, you are the only one you will never lose.

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