The most important room in the house is the one you're in.

存在不是它自己的理由。

The only way to do great work is to love what you do.

使劲活下去，或使劲找死。

What other dungeon is so dark as one's own heart! What jailer so inexorable as one's self!

人は誰でも、自分だけの物語を持っている。

如果罗马人被迫先学习拉丁语，他们就永远没有时间去征服世界。

Every organism is in a struggle for existence.

你的自我价值由你自己决定。你不必依赖别人来告诉你你是谁。