世界是一本书，不旅行的人只读了一页。
The world is a book, and those who do not travel read only one page.
We are survival machines—robot vehicles blindly programmed to preserve the selfish molecules known as genes.
Life is short, but wisdom is eternal.
Time and memory are true artists; they remould reality nearer to the heart’s desire.
科学不仅仅是事实的集合；它是一种思维方式，一种以对人类易错性的深刻理解来怀疑地审视宇宙的方式。