In Italy for thirty years under the Borgias they had warfare, terror, murder and bloodshed but they produced Michelangelo, Leonardo da Vinci and the Renaissance. In Switzerland, they had brotherly love they had five hundred years of democracy and peace and what did that produce The cuckoo clock.

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In Italy for thirty years under the Borgias they had warfare, terror, murder and bloodshed but they produced Michelangelo, Leonardo da Vinci and the Renaissance. In Switzerland, they had brotherly love; they had five hundred years of democracy and peace and what did that produce? The cuckoo clock.

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Patience serves as a protection against wrongs as clothes do against cold. For if you put on more clothes as the cold increases, it will have no power to hurt you. So in like manner you must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind.

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Those who become enamored of practices without science are like sailors who go aboard ship without a rudder and compass, for they are never certain where they will land.

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Blinding ignorance does mislead us. O! Wretched mortals, open your eyes!

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I have from an early age abjured the use of meat, and the time will come when men will look upon the murder of animals as they now look upon the murder of men

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Iron rusts from disuse; water loses its purity from stagnation and in cold weather becomes frozen; even so does inaction sap the vigors of the mind.

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You do ill if you praise, but worse if you censure, what you do not understand.

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Experience does not ever err. It is only your judgment that errs in promising itself results which are not caused by your experiments.

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The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.

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Don't say you don't have enough time. You have exactly the same number of hours per day that were given to Helen Keller, Pasteur, Michaelangelo, Mother Teresa, Leonardo da Vinci, Thomas Jefferson, and Albert Einstein.

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Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind

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Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

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All our knowledge has its origin in our perceptions

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A well-spent day brings happy sleep

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He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

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Life well spent is long.

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God sells us all things at the price of labor.

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Intellectual passion dries out sensuality.

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I have offended God and mankind because my work didn't reach the quality it should have.

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In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.

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The truth of things is the chief nutriment of superior intellects.

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Truly man is the king of beasts, for his brutality exceeds theirs. We live by the death of others: We are burial places!

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Iron rusts from disuse; water loses its purity from stagnation ... even so does inaction sap the vigour of the mind.

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Anyone who invokes authors in discussion is not using his intelligence but his memory

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Whoever in discussion adduces authority uses not intellect but memory.

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As a well-spent day brings happy sleep, so life well used brings happy death

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As a well-spent day brings happy sleep, so a life well spent brings happy death.

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A well-spent day brings happy sleep.

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As a well-spent day brings happy sleep, so a life well used brings a happy death.

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