世界可能是卑鄙的，但人们不必如此，如果他们拒绝的话。
希望存在于任何黑暗中。
力气单薄就不要去背负重物，说话没分量就不要规劝别人。
Collaboration across borders isn't optional—it's how we'll save our shared oceans.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
The essence of mathematics lies in its power to reveal patterns and symmetries.