The study of ancient DNA is like opening a window to the past.
Don‘t waste your time on a man/woman， who isn‘t willing to waste their time on you。
释义：贪婪是一切邪恶的源头，孝道乃众多善行美德之首。此句将淫乱之恶归于万恶之首，将孝道列为百善之首，劝勉人们远离邪恶，修炼孝行。
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.