The value of life lies not in the length of days，but in the use we make of them.
所以,储备是国家最重要的事；粮食是国家的宝物；武器是国家的利爪；城池是守卫国家的屏障。
拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到保护，不受无序和缺陷的影响。
The greatest threat to our planet is the belief that someone else will save it.
Every story has a beginning, a middle, and an end, but not necessarily in that order.