世界上充满了显而易见的事情，却没有人注意到。
"The world is full of obvious things which nobody by any chance ever observes."
一件事情都不能做到有始有终，就不要去操持其他的事情;一物也不明白，就不要追求博闻广记。
The tragedy of great power politics is that it leads to conflict and war.
Never underestimate the power of small, consistent improvements—they lead to big results over time.
The internet should be for everyone - it's too important to leave anyone behind.