Energy efficiency is the unsung hero in our quest to reduce emissions.
翻译：忠诚谨慎是品德的根基，虚伪狡诈是祸乱的源头，做人做事守底线，方能行稳致远。
If you want to feed the world, start by listening to those who grow its food.
Sustainability is the future of quarrying, and we must act now.
We shouldn't teach great books; we should teach a love of reading.
"The only thing that is truly beautiful is the soul."