Without freedom, glory is but an empty name.
To understand the quantum world, we must first unlearn our classical intuitions.
Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.
事实是，大多数时候我都不知道自己在做什么，但我还是做了。