There's a tendency to think that our present politicians are much worse than we had in the past.But we tend to forget how awful our politicians were in the past.

身体是一座监狱，语言是钥匙。

做数学的艺术在于找到包含所有普遍性萌芽的特殊情况。

我不喜欢做简单的事，我喜欢接受挑战。

唯一的失败就是不去尝试。

Every tree we plant today is a legacy for tomorrow.

写作是一种祈祷形式。