真正的朋友，不是在一起有聊不完的话题，而是在一起，就算不说话，也不会感到尴尬。
True friends are not those who have endless topics to talk about, but those who can stay together without feeling awkward even if they don't speak.
"Reading should not be presented to children as a chore or duty. It should be offered to them as a precious gift."
DNA的结构不仅仅是一个发现；它是生物学上的一场革命。
To live is the rarest thing in the world. Most people exist, that is all.