No one can be a great thinker who does not recognise, that as a thinker it is his first duty to follow his intellect to whatever conclusions it may lead. Truth gains more even by the errors of one who, with due study and preparation, thinks for himself, than by the true opinions of those who only hold them because they do not suffer themselves to think. Not that it is solely, or chiefly, to form great thinkers, that freedom of thinking is required. On the contrary, it is as much and even more indispensable to enable average human beings to attain the mental stature which they are capable of.
John Stuart Mill
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But Zarathustra made it clear in which direction the answer lay; it is towards the artist-psychologist, the intuitional thinker. There are very few such men in the world's literature; the great artists are not thinkers, the great thinkers are seldom artists.
Colin Wilson
The principle itself of dogmatic religion, dogmatic morality, dogmatic philosophy, is what requires to be rooted out; not any particular manifestation of that principle. ¶ The very corner-stone of an education intended to form great minds, must be the recognition of the principle, that the object is to call forth the greatest possible quantity of intellectual power, and to inspire the intensest love of truth: and this without a particle of regard to the results to which the exercise of that power may lead, even though it should conduct the pupil to opinions diametrically opposite to those of his teachers. We say this, not because we think opinions unimportant, but because of the immense importance which we attach to them; for in proportion to the degree of intellectual power and love of truth which we succeed in creating, is the certainty that (whatever may happen in any one particular instance) in the aggregate of instances true opinions will be the result; and intellectual power and practical love of truth are alike impossible where the reasoner is shown his conclusions, and informed beforehand that he is expected to arrive at them.
John Stuart Mill
The true Enlightenment thinker, the true rationalist, never wants to talk anyone into anything. No, he does not even want to convince; all the time he is aware that he may be wrong. Above all, he values the intellectual independence of others too highly to want to convince them in important matters. He would much rather invite contradiction, preferably in the form of rational and disciplined criticism. He seeks not to convince but to arouse — to challenge others to form free opinions.
Karl Popper
Whatever the Thinker thinks, the Prover will prove. And if the Thinker thinks passionately enough, the Prover will prove the thought so conclusively that you will never talk a person out of such a belief, even if it is something as remarkable as the notion that there is a gaseous vertebrate of astronomical heft ("GOD") who will spend all eternity torturing people who do not believe in his religion.
Robert Anton Wilson
Who can attain to anything great if he does not feel in himself the force and will to inflict great pain? The ability to suffer is a small matter: in that line, weak women and even slaves often attain masterliness. But not to perish from internal distress and doubt when one inflicts great suffering and hears the cry of it — that is great, that belongs to greatness.
Friedrich Nietzsche
Mill, John Stuart
Millar, Fergus
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