我们必须自由，不是因为我们宣称自由，而是因为我们践行自由。
科学界的多样性会带来更好的解决方案。
过去从未死去，它甚至还未过去。
It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
"The world is full of obvious things which nobody by any chance ever observes."
和平不仅仅是战争的缺席，而是正义、法律、秩序的存在，简而言之，是政府的存在。
The computer is the ultimate polluter: its feces are indistinguish- able from the food it produces.
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.