科幻小说是变化的文学。

I tend to think that the longer the pause, the more emphatic the statement.

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.

You have to believe in yourself when no one else does.

Innovation in agriculture isn't just about technology; it's about understanding the land and the people who work it.

【译文】 子夏说：“每天都学到些新东西，每月都不忘所学会的东西，就算好学了。”

创新是可持续水产养殖的关键。我们必须不断寻找新方法来保护海洋，同时为世界提供食物。