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"Logic is the art of non-contradictory identification. A contradiction cannot exist. No concept man forms is valid unless he integrates it without contradiction into the total sum of his knowledge. To arrive at a contradiction is to confess an error in one's thinking, to maintain a contradiction is to abdicate one's mind and to evict oneself from the realm of reality."
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"Any belief which encourages you to use your own intellect, which motivates you to question everything and points out your own mind as the only road for your salvation is a good belief!"
"Logic, n. The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding. The basic of logic is the syllogism, consisting of a major and a minor premise and a conclusion - thus:Major Premise: Sixty men can do a piece of work sixty times as quickly as one man.Minor Premise: One man can dig a post-hole in sixty seconds; Therefore-Conclusion: Sixty men can dig a post-hole in one second.This may be called syllogism arithmetical, in which, by combining logic and mathematics, we obtain a double certainty and are twice blessed."
"It had to be a trick or you couldn't have done it."
"That which can be asserted without evidence, can be dismissed without evidence."
"Be aware of this truth that the people on this earth could be joyous, if only they would live rationally and if they would contribute mutually to each others' welfare.This world is not a vale of sorrows if you will recognize discriminatingly what is truly excellent in it; and if you will avail yourself of it for mutual happiness and well-being. Therefore, let us explain as often as possible, and particularly at the departure of life, that we base our faith on firm foundations, on Truth for putting into action our ideas which do not depend on fables and ideas which Science has long ago proven to be false."
"You will remember that I remarked the other day, just before we went into the very simple problem presented by Miss Mary Sutherland, that for strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination."A proposition which I took the liberty of doubting."You did, Doctor, but none the less you must come round to my view, for otherwise I shall keep on piling fact upon fact on you until your reason breaks down under them and acknowledges me to be right."
Explore more quotes by Ayn Rand
"The power of the sky can be made to do men's bidding. There are no limits to its secrets and its might, and it can be made to grant us anything if we but choose to ask."
"Were she lying crushed under the ruins of a building, were she torn by the bomb of an air raid, so long as she was still in existence she would know that action is man's foremost obligation, regardless of anything he feels."
"She wanted to tell him of the years she had spent looking for men such as he to work with; she wanted to tell him that his enemies were hers, that she was fighting the same battle..."
"It was as if a volcano were cracking open, yet the people at the foot of the mountain ignored the sudden fissures, the black fumes, the boiling trickles, and went on believing that their only danger was to acknowledge the reality of these signs."
"Through all the ages the mind has been regarded as evil, and every form of insult: from heretic to materialist to exploiter-every form of iniquity: from exile to disfranchisement to expropriation-every form of torture: from sneers to rack to firing squad-have been brought down upon those who assumed the responsibility of looking at the world through the eyes of a living consciousness and performing the crucial act of a rational connection. Yet only to the extent to which-in chains, in dungeons, in hidden corners, in the cells of philosophers, in the shops of traders-some men continued to think, only to that extent was humanity able to survive."
"Tell me what a man finds sexually attractive and I will tell you his entire philosophy of life. Show me the woman he sleeps with and I will tell you his valuation of himself."
"To irrational principles, one cannot be loyal. Ideas that are not derived from reality cannot be consistently practiced in reality.-as quoted by Leonard Peikoff in "Objectivism: The Philosophy of Ayn Rand."
"I win by means of nothing but logic and I surrender to nothing but logic. I do not surrender my reason or deal with men who surrender theirs."
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