野鸢尾在我的痛苦之端有门一扇。

The Wild Iris At the end of my suffering there was a door.

youdao

贪欲是痛苦之根，淡泊是快乐之源。

Greed is the root of pain, indifferent is the source of happiness.

youdao

母亲并不是时常显露痛苦之色的人，所以我很担心。

Mom does not show pain often, so I'm alarmed.

youdao

So if you add up, if you try to calculate the balance of happiness and suffering, you might have a case for saying what they did was the right thing.

合计来看的话，计算一下，幸福与痛苦之差，你也许会认为，他们的所作所为是正确的选择。

耶鲁公开课 - 公正课程节选