Success is not final, failure is not fatal: It is the courage to continue that counts.
长期来看,只有真正创造价值的人才能生存。
写作就是呼吸,就是生活,就是超越时间的限制而存在。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Mathematics is not a spectator sport.