The stone industry must embrace sustainability to thrive in the modern world.

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

可持续性不是牺牲，而是机遇。

有时候最真实的东西反而是你看不见的。

解析：一心在痛上，便无暇顾及他事。

"Psychology should measure the mind by its outcomes."

领导者的角色是创造更多的领导者，而不是追随者。