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It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

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Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

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During the youthful period of mankind's spiritual evolution human fantasy created gods in man's own image, who, by the operations of their will were s...more

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Try not to become a man of success, but rather try to become a man of value.

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Let every man be respected as an individual and no man idolized.

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The man of science is a poor philosopher.

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A man should look for what is, and not for what he thinks should be.