Coal built the modern world, and it's our responsibility to ensure its legacy is managed with wisdom.
煤炭造就了现代世界，我们有责任确保以智慧管理它的遗产。
质量不是保证；它是一种承诺。
"A book is a garden carried in the pocket."
森林不需要我们，但我们需要森林——这一真理应指导我们在林业中的每一个决策。
The best way to find yourself is to lose yourself in the service of others.
夜晚并不总是带来答案，但它总是带来正确的问题。
Every problem in mathematics has a solution; you just have to find the right path.
Hard work beats talent when talent fails to work hard.