We must beat the iron while it is hot , but we may polish 19it at leisure20.
打铁必须趁热,但是要磨光它则不妨从容。
现象学还原不是对自然世界的否定,而是对它的态度转变。
制造链式反应堆的基本点是正确安排材料。
The first sentence of the novel is the most important, but the last sentence is the one that stays with you.