朗兰兹纲领的猜想是对下一代数学家的挑战。
The conjectures of the Langlands program are a challenge to the next generation of mathematicians.
一个国家制度的质量是其长期经济表现的最重要决定因素。
Every quarry has a story written in layers of stone and generations of workers.
为明天做的最好准备就是今天做到最好。
The present is always changing, but the past is fixed.
开放的社会、对知识的无限制获取、人们为推进知识而进行的无计划和无拘束的联合——这些可能使一个庞大、复杂、不断增长、日益专业化和技术化的世界，仍然是一个人类共同体的世界。