Every failure is a lesson that brings you closer to success.
可持续性不是一种选择；它是任何希望在长期内蓬勃发展的企业的必要条件。
The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.
A well-run quarry is a symphony of logistics, efficiency, and teamwork.