環(huán)境是一個長期問題,需要長期承諾。
The way a child holds a book tells you everything about how they feel about it.
Innovation is not just about creating something new; it's about improving what already exists.
積聚的水如果不深,就無力浮起大船。倒一杯水在堂前的凹地,芥草浮在上面就是小船了,放一只水杯在上面就動不了了,是因為水淺而船大。聚集的風如果不大,就無力載負巨大的雙翼,因而大鵬扶搖而上九萬里,疾風在下面勁吹,然后才能憑借風力,背負藍天而無可阻擋,才能夠一路南飛。
要成為一個好的數(shù)學(xué)家,你需要既有直覺又有嚴謹。