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其中的规则,即使你花所有时间去思考它们。
The paper industry has a responsibility to lead the way in sustainable practices—we can't wait for others to show us how.
The best way out is always through.
In science, the most important discoveries often come from paying attention to the unexpected.