Our firmest convictions are apt to be the most suspect, they mark our limitations and our bounds. Life is a petty thing unless it is moved by the indomitable urge to extend its boundaries.

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The metaphor is perhaps one of man's most fruitful potentialities. Its efficacy verges on magic, and it seems a tool for creation which God forgot inside one of His creatures when He made him.

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Love is that splendid triggering of human vitality... the supreme activity which nature affords anyone for going out of himself toward someone else.

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We cannot put off living until we are ready. The most salient characteristic of life is its coerciveness it is always urgent, 'here and now,' without any possible postponement. Life is fired at us point-blank.

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Rancor is an outpouring of a feeling of inferiority.

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Excellence means when a man or woman asks of himself more than others do.

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The most radical division that it is possible to make of humanity is that which splits it into two classes of creatures Those who make great demands on themselves, piling up difficulties and duties and those who demand nothing special of themselves, bu

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Order is not pressure which is imposed on society from without, but an equilibrium which is set up from within.

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A revolution only lasts fifteen years, a period which coincides with the effectiveness of a generation.

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We distinguish the excellent man from the common man by saying that the former is the one who makes great demands upon himself, and the latter who makes no demands on himself.

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Love is that splendid triggering of human vitalitythe supreme activity which nature affords anyone for going out of himself toward someone else.

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Life is a series of collisions with the future it is not the sum of what we have been, but what we yearn to be.

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The world is the sum-total of our vital possibilities.

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To be surprised, to wonder, is to begin to understand.

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