Tell your heart that the fear of suffering is worse than the suffering itself. And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
永远不要停止梦想，因为梦想是灵魂的燃料。
No man or woman is worth your tears， and the one who is， won‘t make you cry。
创新不仅仅是关于新想法，而是以创造真正价值的方式去执行它们。
"The only thing that is truly boundless is the human spirit."
The quarries we rehabilitate best become assets our grandchildren will thank us for.
The meaning of a word is not a mental entity， but a social practice.