The strength of a society lies in its ability to balance individual freedom with social cohesion.
社会的力量在于其平衡个人自由与社会凝聚力的能力。
暴君死了,他的统治结束了;殉道者死了,他的统治开始了。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
Experience is a good school, but the fees are high.