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The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
True progress comes when we invest in both our people and our technology.
卒:同“猝”,指突然事变。这两句大意是:心中没有预先考虑应对事变的方法,就不能应付突然变故。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
Sustainability isn't an option - it's our responsibility to the next generation.