如果我们想要清洁的空气和水，就必须从保护森林开始。
If we want clean air and water, we must start by protecting our forests.
Technology should be about making people's lives better, not just about making money.
Collaboration is the key to solving complex challenges.
译文：认识到过去所做的事是错误的，那么说明学问在日渐进步；能看到别人的言行有可取之处，说明德行操守在日渐提高。赏析：一个人的思想若要变得成熟，肯定要读书学习，更要学习别人的长处和优点。人愚昧无知不可怕，最怕愚昧无知还不自知，还不懂得学习和改变。
Sometimes you have to kind of die inside in order to rise from your own ashes and believe in yourself and love yourself to become a new person.