카테고리 글 보관함:오늘의 명언

레온하르트 오일러 부인, 저는 만약 말을 하면 교수형에 처하는 나라에서 왔습니다 I die. To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many mysteries hidden in this concept as they are usually believed to be. Mathematicians have tried in vain […]

루이 18세 시간엄수는 군주의 예절이다. 장 피아제 We recall how, starting with purely practical and quasi-physiological groups, the child begins by elaborating subjective groups, then arrives at objective groups, and only then becomes capable of representative groups. To express the same idea in still another way, I think that human knowledge is essentially active. Thus […]