The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
The writer’s challenge is to find the universal in the particular.
质数就是当你把所有模式都去掉后剩下的东西。我认为质数就像生活。它们非常合乎逻辑,但你永远无法弄清楚规则,即使你花所有时间思考它们。
Sustainability isn't a trend—it's our responsibility to the craftsmen, the forests, and the next generation.