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You are never too old to set another goal or to dream a new dream.

I cannot live without books.

I'm the type of person,if you ask me a question, and I don't know the answer,I'm gonna to tell you that I don't know. —The Pursuit of Happyness.

The unread story is not a story; it is little black marks on wood pulp. The reader, reading it, makes it live: a live thing, a story.

科學家之間的合作是解決復雜問題的關鍵。

你記憶中的一切都不在了，還是忘掉比較好。