“Never before has the world had a document that so eloquently unites ethics and environmental stewardship. That is why Laudato Si was the most significant environmental event of 2015.”
“Show your work.”
Does that bring you back to your high school math class in a hurry? That phrase was a near-daily refrain in mine. It didn’t matter if you intuitively, or by sheer luck, got a math problem right. You also had to offer a proof as well. You had to back it up.