"Something is infinite if, taking it quantity..." - Quote by Aristotle
Something is infinite if, taking it quantity by quantity, we can always take something outside.
More by Aristotle
More on Infinity
“Let man then contemplate the whole of nature in her full and grand majesty... No idea approaches it. We may enlarge our conceptions beyond all imaginable space; we only produce atoms in comparison with the reality of things. It is an infinite sphere, the center of which is everywhere, the circumference nowhere.”
“For though, in nature, depth and heightAre equally held infinite:In poetry, the height we know;'Tis only infinite below.”
“Le silence e ternel de ces espaces infinis m'effraie. The eternal silence of these infinite spaces fills me with dread.”
More on Mathematics
“Let no one ignorant of Mathematics enter here.”
“...the science of calculation also is indispensable as far as the extraction of the square and cube roots: Algebra as far as the quadratic equation and the use of logarithms are often of value in ordinary cases: but all beyond these is but a luxury; a delicious luxury indeed; but not be in indulged in by one who is to have a profession to follow for his subsistence.”
“If someone separated the art of counting and measuring and weighing from all the other arts, what was left of each (of the others) would be, so to speak, insignificant.”