每一次实验，即使失败，也会教会我们一些宝贵的东西。
Every experiment, even if it fails, teaches us something valuable.
Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
译文：贫穷到没有办法时，只要节俭还可以度日。天资愚钝也没有什么大不了，只要勤奋，也能弥补它的不足。赏析：自身条件不行，就要时刻警醒自己，发愤图强。如果破罐子破摔，躺平摆烂，事情就会变得更加糟糕。
The future of paper is not about replacing digital; it's about coexisting and enhancing each other.
Small changes in farming practices can lead to big impacts on global food security.