数学不是一项观赏性运动。你必须亲自去做才能理解它。
如果你认为强悍的人很危险,那就等着看弱者能做什么。
I am certain of nothing but the holiness of the heart's affections, and the truth of imagination.
Leaders should have a strategic vision and a broad worldview to address complex international challenges.
"The C in CEO stands for culture."