“define logic as the science which treats of the operations of the human understanding in the pursuit of truth.” — John Stuart Mill Copy Share Image
The peculiarity of the evidence of mathematical truths is that all the argument is on one side. — John Stuart Mill Copy Share Image
“The employment of the word Logic to denote the theory of Argumentation, is derived from the Aristotelian, or, as they are commonly… — John Stuart Mill Copy Share Image
“Even in ordinary conversation, the ideas connected with the word Logic include at least precision of language, and accuracy of classification: and… — John Stuart Mill Copy Share Image
It must be granted that in every syllogism, considered as an argument to prove the conclusion, there is a petitio principii. When… — John Stuart Mill Copy Share Image
“The sole object of Logic is the guidance of one's own thoughts: the communication of those thoughts to others falls under the… — John Stuart Mill Copy Share Image
Since reasoning , or inference, the principal subject of logic, is an operation which usually takes place by means of words ,… — John Stuart Mill Copy Share Image
The maxim is, that whatever can be affirmed (or denied) of a class, may be affirmed (or denied) of everything included in… — John Stuart Mill Copy Share Image
“Logic is not the science of Belief, but the science of Proof, or Evidence. In so far as belief professes to be… — John Stuart Mill Copy Share Image
The average condition of the people improving or deteriorating, depends upon whether population is advancing faster than improvement, or improvement than population. — John Stuart Mill Copy Share
Liberty lies in the rights of that person whose views you find most odious. — John Stuart Mill Copy Share
“No longer enslaved or made dependent by force of law, the great majority are so by force of poverty; they are still chained to… — John Stuart Mill Copy Share
All acts suppose certain dispositions, and habits of mind and heart, which may be in themselves states of enjoyment or of wretchedness, and which… — John Stuart Mill Copy Share
Unfortunately for the good sense of mankind, the fact of their fallibility is far from carrying the weight in their practical judgement, which is… — John Stuart Mill Copy Share
“In history, as in traveling, men usually see only what they already had in their own minds; and few learn much from history, who… — John Stuart Mill Copy Share
All errors which a man is likely to commit against advice are far outweighed by the evil of allowing others to constrain him for… — John Stuart Mill Copy Share
Every great movement must experience three stages: ridicule, discussion, adoption. — John Stuart Mill Copy Share
The successful conduct of an industrial enterprise requires two quite distinct qualifications: fidelity and zeal. — John Stuart Mill Copy Share
“[For people] to refuse a hearing to an opinion, because they are sure that it is false, is to assume that their certainty is… — John Stuart Mill Copy Share
This is what writers mean when they say that the notion of cause involves the idea of necessity. If there be any meaning which… — John Stuart Mill Copy Share
“Protection, therefore, against tyranny of the magistrate is not enough: there needs protection also against the tyranny of the prevailing opinion and feeling; against… — John Stuart Mill Copy Share
Landlords grow rich in their sleep without working, risking or economizing. The increase in the value of land, arising as it does from the… — John Stuart Mill Copy Share
There is one characteristic of the present direction of public opinion, peculiarly calculated to make it intolerant of any marked demonstration of individuality. The… — John Stuart Mill Copy Share
