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数学的目标是理解宇宙。
"The goal of mathematics is to understand the universe."
The best time to plant a tree was 20 years ago. The second best time is now.
我只和自己竞争,不和别人竞争。
专注做自己擅长的事。
The only way to understand history is to live it.
迷宫中的老鼠可以自由地去任何地方,只要它待在迷宫里。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.