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在数学中,最简单的问题往往能引出最深刻的见解。
In mathematics, the simplest questions often lead to the deepest insights.
The development of computational complexity theory has shown us that not all problems are created equal.
The value of life lies not in the length of days,but in the use we make of them.
为政仁德深厚,才能使社会安定;做事胸襟宽广,才能够容纳天下万民。
We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.