你必须梦想,你必须有一个愿景,你必须为自己设定一个甚至可能让你有点害怕的目标,因为有时候那似乎远远超出你的能力范围。
By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.
Truth is like the sun; you can shut it out for a time, but it's not going away.