你不必总是比别人强，但要比过去的自己更强。
It's not always necessary to be better than everyone else, but to be better than you used to be.
如果没有储备武器，即使拥有真理和正义，也无法去征讨那些不义之人。
The initial conditions of the universe are a profound mystery, and inflation offers a possible explanation for why the universe looks the way it does.