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It's hardly possible to overstate the value, in the present state of human improvement, of placing human beings in contact with other persons dissimilar to themselves, and with modes of thought and action unlike those with which they are familiar. Such communication has always been... one of the primary sources of progress.
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For my own part, not believing in universal selfishness, I have no difficulty in admitting that Communism would even now be practicable among the elite of mankind, and may become so among the rest.
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From the winter of 1821, when I first read Bentham, and especially from the commencement of the Westminster Review, I had what might truly be called an object in life; to be a reformer of the world. My conception of my own happiness was entirely identified with this object.
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The great writers to whom the world owes what religious liberty it possesses, have mostly asserted freedom of conscience as an indefeasible right, and denied absolutely that a human being is accountable to others for his religious belief.
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No slave is a slave to the same lengths, and in so full a sense of the word, as a wife is.
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Was there ever any domination that did not appear natural to those who possessed it?
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The great creative individual . . . is capable of more wisdom and virtue than collective man ever can be.
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All the good of which humanity is capable is comprised in obedience.
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... what is really inspiriting and ennobling in the doctrine of freewill, is the conviction that we have real power over the formation of our own character; that our will, by influencing some of our circumstances, can modify our future habits or capabilities of willing.
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Everyone who receives the protection of society owes a return for the benefit.
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...there ought to exist the fullest liberty of professing and discussing, as a matter of ethical conviction, any doctrine, however immoral it may be considered.
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It is useful that while mankind are imperfect there should be different opinions, so is it that there should be different experiments of living; that free scope should be given to varieties of character, short of injury to others.
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The feeling of a direct responsibility of the individual to God is almost wholly a creation of Protestantism.
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Popular opinions, on subjects not palpable to sense, are often true, but seldom or never the whole truth.
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If the universe had a beginning, its beginning, by the very condition of the cases, was supernatural; the laws of Nature cannot account for their own origin.
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Though it is only in a very imperfect state of the world's arrangements that anyone can best serve the happiness of others by the absolute sacrifice of his own, yet, so long as the world is in that imperfect state, I fully acknowledge that the readiness to make such a sacrifice is the highest virtue which can be found in man.
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For I now saw, or thought I saw, what I had always before received with incredulity - that the habit of analysis has a tendency to wear away the feelings: as indeed it has, when no other mental habit is cultivated, and the analysing spirit remains without its natural complements and correctives.
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A pupil from whom nothing is ever demanded which he cannot do never does all he can.
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It must be granted that in every syllogism, considered as an argument to prove the conclusion, there is a petitio principii. When we say, All men are mortal Socrates is a man therefore Socrates is mortal; it is unanswerably urged by the adversaries of the syllogistic theory, that the proposition, Socrates is mortal.
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In early times, the great majority of the male sex were slaves, as well as the whole of the female. And many ages elapsed, some of them ages of high cultivation, before any thinker was bold enough to question the rightfulness, and the absolute social necessity, either of the one slavery or of the other.
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Next to selfishness the principal cause which makes life unsatisfactory is want of mental cultivation.
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Lord, enlighten thou our enemies. Sharpen their wits, give acuteness to their perceptions, and consecutiveness and clearness to their reasoning powers: we are in danger from their folly, not from their wisdom; their weakness is what fills us with apprehension, not their strength.
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No one can be a great thinker who does not recognize that as a thinker it is his first duty to follow his intellect to whatever conclusions it may lead.
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The application of algebra to geometry... far more than any of his metaphysical speculations, has immortalized the name of Descartes, and constitutes the greatest single step ever made in the progress of the exact sciences.