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The heart has its reasons of which reason knows nothing.
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Justice and truth are too such subtle points that our tools are too blunt to touch them accurately.
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One must know oneself. If this does not serve to discover truth, it at least serves as a rule of life and there is nothing better.
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Nothing gives rest but the sincere search for truth.
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Too much and too little wine. Give him none, he cannot find truth give him too much, the same.
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We know the truth, not only by the reason, but also by the heart.
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Contradiction is not a sign of falsity, nor the lack of contradiction a sign of truth.
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He that takes truth for his guide, and duty for his end, may safely trust to God’s providence to lead him aright.
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Truth is so obscure in these times, and falsehood so established, that, unless we love the truth, we cannot know it.
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Belief is a wise wager. Granted that faith cannot be proved, what harm will come to you if you gamble on its truth and it proves false? If you gain, you gain all if you lose, you lose nothing. Wager, then, without hesitation, that He exists.
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He that takes truth for his guide, and duty for his end, may safely trust to God’s providence to lead him aright.
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Our soul is cast into a body, where it finds number, time, dimension. Thereupon it reasons, and calls this nature necessity, and can believe nothing else.
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Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.
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I have made this letter longer than usual, only because I have not had the time to make it shorter.
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Time heals griefs and quarrels, for we change and are no longer the same persons. Neither the offender nor the offended are any more themselves.
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To have no time for philosophy is to be a true philosopher.
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The strength of a man’s virtue should not be measured by his special exertions, but by his habitual acts.
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Atheism shows strength of mind, but only to a certain degree.
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Thus so wretched is man that he would weary even without any cause for weariness... and so frivolous is he that, though full of a thousand reasons for weariness, the least thing, such as playing billiards or hitting a ball, is sufficient enough to amuse him.
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Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.