The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
不完全合同是常态,而非例外。
In mathematics, the journey from confusion to clarity is the most rewarding experience.
相对论不仅仅是一种科学理论,而且是一种哲学理论,它深刻地影响了我们对宇宙的概念。
"The line between hero and villain is often blurred by perspective."