Unvarnished truth, that truth which runs contrary to the vital needs of human nature, is worse than any lie. This is what Tolstoy thought when he wrote War and Peace, when he was still entirely possessed by Aristotle's ideas, when he was afraid of madness and the asylum and hoped that he would never have to live in an individual world of his own. p. 94

We burn with longing to find some firm stance, some ultimate, unshakable basis, on which we may build the tower that can reach up to infinity. But all our foundations crack and earth opens to the abyss. THEREFORE LET US NOT SEEK CERTAINTY OR SECURITY. p. 284-285

[Dostoievsky] has taken everything from us; he has left us nothing but “twice two is four”. Will man be able to bear this? Can I bear it myself? Or will my “consciousness”; all human consciousness, be finally crushed under the burden. And then we shall not only feel, but see, if only for a moment, that “here” everything is but beginning, that that what begins here does not finish here, where there is as yet neither beauty, nor ugliness, nor good, nor evil, but only hot and cold, agreeable and disagreeable, where it is not liberty that reigns, but necessity, to which even God Himself is subject, where human will and reason are as unlike the will and reason of the Creator as the dog, the barking animal, is unlike the dog-star. P. 52

De omnibus dubitandum, taught Descartes - doubt all things. Easily said - but how to do it? Try, for example to doubt that the laws of nature are always binding: one day a case may occur where nature makes an exception for some stone, and exempts it from the law of gravity. But how to find this stone, if one has the courage to admit such a possibility, even if one knew definitely that such a stone existed? p. 215

Spinoza’s formula, “Deus=natura=substantia”, like all conclusions drawn from it in his Ethics and his earlier works, simply means that there is no God. This discovery of Spinoza’s became the starting point for modern philosophical thought. Foreword p. xxxix

Plotinus never laughs, he does not even smile. He is solemnity incarnate. His whole task - in this he is continuing and complementing the work of Socrates, "the wisest among men" - consists in detaching man from the outer world. The inner joys, inner contentment, are, he teaches, quite independent of the conditions of our outward existence. The body is a prison wherein the soul resides. The visible world is the wall of this prison. So long as we let our spiritual welfare depend on our jailers, we can never be "happy". p. 242

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It is only the modern, or rather, the most modern philosophy, which found the solution of the question in positivism à la Kant and Comte; to forget plagued and poisoned truth and live for the positive necessities of the next day, year or decade. This terms itself "idealism". It is, of course, also idealism of the purest water which has so possessed the spirit of modern man. The idea is the only god which has not yet been cast down from its pedestal. Scientists worship it no less than philosophers and theologians. p. 172

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For a sick man we call the doctor, for a dying man the priest. The doctor endeavours to preserve man for mortal existence, the priest gives him the viaticum for eternal life. And as the doctor's business has nothing in common with the priest's, so there is nothing in common between philosophy and science. They do not help one another, they do not complement one another, as is usually assumed - they fight against one another. And the enmity is the more violent because it generally has to be hidden under the mask of love and trust. p. 142

Time is infinite, space is infinite, there are innumerable worlds, life's riches and its terrors are inexhaustible, the secrets of the universal structure are incomprehensible - how can an entity hemmed in between so many eternities, infinities, unlimited possibilities, know what it has to do, and how can it choose for itself? Plato, indeed, allowed anamnesis - the recollection of what was in previous lives - but only to a very limited degree. p. 200

One may say with some certainty that Pascal would have remained the Pascal of the Provinciales had it not been for the abyss. So long as a man feels the solid earth beneath his feet, he will not risk defying reason and morality. Only exceptional conditions of being can free us from the immaterial and eternal truths which rule the world. Only a "madman" declares war on this rule. Remember the "experience" of our contemporary Nietzsche who begged the gods for "madness", since he had to kill the law, or, to use his own words, to announce to Rome and the world that he was "beyond good and evil". p. 305

Directly Kant hears the word “law” pronounced he takes his hat off; he neither wishes nor dares to dispute. He who says “law” says “power”; he who says “power” says “submission” – for man’s supreme virtue is to submit himself. P. 23

Pascal feared novelty above all things. All the strength of his restless, yet profound and concentrated mind, was applied to resisting the current of history, preventing himself from being carried forward by it. Is it possible, is it reasonable to fight against history? Of what interest to us can a man be, who tries to make time run backwards? p. 274

We have thus two legends. Man as individual being came into the world in accordance with God's will and with His blessing. Or, individual life appeared in the universe against God's will and is therefore in its essence impious, and death, annihilation, is the just and natural punishment for the sinful self-will. How and by whom shall it be decided where the truth lies? p. 254

One of the outstanding examples of the unfree character of modern philosophical thought is perhaps the famous dispute between Hume and Kant. Kant often declared that Hume had awakened him out of “dogmatic slumber.” And in fact, when we read Hume and those passages of Kant in which he appeals to Hume, we might think that this could not be otherwise, and that what Hume saw and what was visible to Kant also, after Hume, must have awakened not only a sleeper, but even a dead man. Foreword p. xlv