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There is nothing divine about morality; it is a purely human affair. If people are good only because they fear punishment, and hope for reward, then we are a sorry lot indeed. What the individual can do is to give a fine example, and to have the courage to uphold ethical values .. in a society of cynics.
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There are two different conceptions about the nature of the universe: the world as a unity dependent on humanity; the world as a reality independent of the human factor.
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Israel is the only place on earth where Jews have the possibility to shape public life according to their own traditional ideals.
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The relativity principle in connection with the basic Maxwellian equations demands that the mass should be a direct measure of the energy contained in a body; light transfers mass. With radium there should be a noticeable diminution of mass. The idea is amusing and enticing; but whether the Almighty is laughing at it and is leading me up the garden path -- that I cannot know.
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I became more and more convinced that even nature could be understood as a relatively simple mathematical structure.
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Keep fighting until the last buzzer sounds.
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All means prove but blunt instruments, if they have not behind them a living spirit.
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Men like Henry George are rare, unfortunately. One cannot imagine a more beautiful combination of intellectual keenness, artistic form, and fervent love of justice.
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Then there are the fanatical atheists whose intolerance is of the same kind as the intolerance of the religious fanatics and comes from the same source.
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Although I am a typical loner in daily life, my consciousness of belonging to the invisible community of those who strive for truth, beauty, and justice has preserved me from feeling isolated.
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It is the duty of every citizen according to his best capacities to give validity to his convictions in political affairs.
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The woman who follows the crowd will usually believe that I said this.
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I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.
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I have never looked upon ease and happiness as ends in themselves - this critical basis I call the ideal of a pigsty.
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I am doing just fine, considering that I have triumphantly survived Nazism and two wives.
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Non-comprehenders are often distressed. Not you, though-because with good humor you're blessed. After all, your thoughts went like this, I dare say: It was none but the Lord who made us that way.
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I am a stronger follower of Veganism by principle, not just because of moral and aesthetic reasons. I truly believe in a Vegetarian lifestyle and I have faith and hopes in change in human destiny, thanks to the physical effects and benefits of a healthier diet and its influence on the character of the people. It will bring about some benefit and improvement to human society.
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You imagine that I look back on my life's work with calm satisfaction. But from nearby it looks quite different. There is not a single concept of which I am convinced that it will stand firm, and I feel uncertain whether I am in general on the right track.
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To one bent on age, death will come as a release. I feel this quite strongly now that I have grown old myself and have come to regard death like an old debt, at long last to be discharged.
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We believe that an informed citizenry will act for life and not for death.
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All the fifty years of conscious brooding have brought me no closer to answer the question, "What are light quanta?" Of course today every rascal thinks he knows the answer, but he is deluding himself.
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You might as well not be alive if you're not in awe of God.
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The solution to this problem lies in the heart of mankind.
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You have to learn the rules of the game. And then you have to play better than anyone else.