Collaboration across borders is essential to solving global food security challenges.

The novel is a great discovery: far greater than Galileo's telescope or somebody else's wireless. The novel is the highest form of human expression so far attained. Why? Because it is so incapable of the absolute.

To rapidly reveal the true character of a person you just met， move them onto an abysmally slow internet connection. Observe.

绝不能为了速度而牺牲质量。

粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。