Intuition is the source of scientific knowledge.

Aristotle

Aristotle

Profession: Philosopher
Nationality: Greek

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For though we love both the truth and our friends, piety requires us to honor the truth first.

To amuse oneself in order that one may exert oneself, as Anacharsis puts it, seems right; for amusement is a sort of relaxation, and we need relaxation because we cannot work continuously.

All proofs rest on premises.

A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.

For this alone is lacking even to God, to make undone the things that have once been done.

Even subjects that are known are known only to a few.

Shall we not, like archers who have a mark to aim at, be more likely to hit upon what is right?

Whatever lies within our power to do lies also within our power not to do.

The true and the approximately true are apprehended by the same faculty; it may also be noted that men have a sufficient natural instinct for what is true, and usually do arrive at the truth. Hence the man who makes a good guess at truth is likely to make a good guess at probabilities.

Comedy has had no history, because it was not at first treated seriously.

Adventure is worthwhile.

They who love in excess also hate in excess.

The beginning of reform is not so much to equalize property as to train the noble sort of natures not to desire more, and to prevent the lower from getting more.

Virtue, then, is twofold, intellectual and moral. Both the coming-into-[1103a] being and increase of intellectual virtue result mostly from teaching—hence it requires experience and time—whereas moral virtue is the result of habit, and so it is that moral virtue got its name [ēthikē] by a slight alteration of the term habit [ethos].