Selfishness is calm, it is nature, you can say that the tree is selfish.
自私是平静的，它是自然力量，你可以说，树也是自私的。
Love is selfish, but to ignore its other traits just because of its selfishness.
爱是自私的，但仅仅因为爱自私而忽略爱的其他特质。
Love is selfish, but to ignore its other traits just because of its selfishness.
爱是自私的，但仅仅因为爱自私而忽略爱的其他特质。
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