Brave doesn't mean you're not scared. It means you go on even though you're scared.
你可以锁上你的图书馆;但对我的思想自由,你无法设置任何门闩、锁或插销。
Sustainability isn't a trend—it's a responsibility we owe to future generations.
这只是海森堡测不准原理的简单应用而已。