Henri Poincare15 definitions
The Cat (n.) is witty, he has nerve, he knows how to do precisely the right thing at the right moment.
The Exception (n.) is pernicious because it conceals laws.
Geometry (n.) is not true, it is advantageous.
Harmony (n.) is a discloser of both part and whole — it is the harmony of the diverse parts, their symmetry, their happy balance; in a word it is all that introduces order, all that gives unity, that permits us to see clearly and to comprehend at once both the ensemble and the details.
Invention (n.) is to discern, to choose.
Man (n.) is a tiny dot of light amidst the blind fury of the elements.
Mathematics (n.) is the art of giving the same name to different things.
Obscenity (n.) is to be found nowhere but in a lack of talent — an obscene book is simply a book which is badly written. Talent is never obscene.
Resignation (n.) is the end of all thought.
Science (n.) is a particular organization of facts — it is built up of facts, as a house is built of stones; but an accumulation of facts is no more a science than a heap of stones is a house.
