译文:先从忧患方面考虑事情的人,就会享受到乐事,一时的操劳辛苦是永远安逸的开始。赏析:我们做事要有忧患意识,要有先苦后甜的意识,如果只图安逸快乐,就是祸患的开始。
The only way to learn mathematics is to do mathematics.
The revolution is a long and arduous struggle, but it is the only way to achieve true independence and freedom.