人与自然的和谐是最终目标。
The harmony between humans and nature is the ultimate goal.
数学家是能在定理之间找到类比的人;更好的数学家是能在证明之间看到类比的人;而最好的数学家是能注意到理论之间类比的人。
Diplomacy is to make your enemy your friend, not to make your friend your enemy.
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.