The human heart is a complex and often contradictory thing.

Every species has its own unique value and survival significance.

生活中没有体验过一些最美好的关系，就等于根本没有生活过。

生活要么是一次大胆的冒险，要么什么都不是。

Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.