可持续发展不是一种选择，而是我们对后代的责任。
Sustainability isn't an option; it's a responsibility we owe to future generations.
For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."
Women belong in all areas of science, and their contributions are invaluable.
成功不是你赚了多少钱，而是你在人们生活中做出的改变。
效率是以正确的方式做事，而效能则是做正确的事。
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.