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数学中的每一个问题都是学习新东西的机会。
Every problem in mathematics is an opportunity to learn something new.
The more you love yourself, the less nonsense you'll tolerate.
Collaboration, not competition, will solve the world’s biggest environmental challenges.
Wealth should not be concentrated in the hands of a few, but should be distributed among all through fair competition.
The old believe everything, the middle-aged suspect everything, the young know everything.
旅程本身就是一个人;没有两个是相同的。所有的计划、保障、监管和强制都是徒劳的。经过多年的挣扎,我们发现我们并没有去旅行;而是旅行带走了我们。
我不害怕独自走在这个世界上。