A couple of weeks ago I was promoting The Second Book of the Tao By Stephen Mitchell. It's a good book, certainly worth reading.
The author, in an endnote, was comparing the sentiment found on bumper stickers which states, "If you're not offended, you're not paying attention" with Taoist philosophy. Here is his version of that bumper sticker, with a Taoist spin:
"If you don't notice that greed, hatred, and ignorance cause great suffering in the world, and if you're not moved to end the suffering, you're not paying attention."