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Accustom yourself not to be disregarding of what someone else has to say: as far as possible enter into the mind of the speaker.

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As far as you can, get into the habit of asking yourself in relation to any action taken by another: "What is his point of reference here?" But begin ...more

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Never esteem anything as of advantage to you that will make you break your word or lose your self-respect.

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For it is in your power to retire into yourself whenever you choose.

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Every man is worth just so much as the things about which he busies himself.