写作的行为是一种生存的行为。

每个孩子都应该玩泥饼、捉蚱蜢、玩水虫、养蝌蚪、抓青蛙、玩泥龟、采接骨木果、摘野草莓、捡橡子、采栗子、爬树、涉溪、赏睡莲、观察土拨鼠、蝙蝠、蜜蜂、蝴蝶，养各种小动物，在干草场玩耍，捡松果，滚石头，玩沙子，抓蛇，采越橘和胡蜂窝；任何被剥夺了这些乐趣的孩子，都被剥夺了教育中最美好的部分。

The only place where success comes before work is in the dictionary.

The challenge of modern physics is not just to understand the universe, but to understand our place within it.

Innovation is not just about technology; it's about changing the way we think about food production.

免疫系统是抗击癌症的关键。