The best way to learn is by doing.

We are to remember that we are not to take anything with us out of this world, and that it is how we have conducted ourselves here that will matter in the end.

I'm not a prisoner, I'm a free spirit.

过去是一个异国他乡；他们在那里行事不同。

你看不见真正的你，而你所见的只是你的影子。

遗传密码的美在于它的普遍性；它被所有已知的生命形式共享。

恐惧只是一种心态。