定理是数学的里程碑。
Theorems are the milestones of mathematics.
Something deeply hidden had to be behind things.
Peace is not merely the absence of war, but the presence of justice, of law, of order—in short, of government.
Leadership is about making the tough decisions and standing by them, even when they're unpopular.
跨国合作不是可选项,而是全球水产养殖的必需。
The poet's task is to find the eternal in the transient.