Sustainability is the future of quarrying, and we must act now.
不懈的努力不是力量或智慧,而是打开潜能的钥匙。
世界是一本书,不旅行的人只读了一页。
最好的投资是对人及其潜力的投资。
"Write what should not be forgotten."
"Reading is a form of prayer, a guided meditation that briefly makes us believe we're someone else."