我们爱的书，它们也爱我们。正如我们在书页中标记位置，那些书页也在我们身上留下印记。
The books that we love, they love us back. And just as we mark our places in the pages, those pages leave their marks on us.
Liberty cannot be preserved without a general knowledge among the people.
The pursuit of science is more than the pursuit of understanding. It is the pursuit of a kind of wisdom that comes from knowing how much we do not know.
Science is not just about facts, but about understanding the underlying principles that govern those facts.