Innovation in stone extraction must always balance efficiency with sustainability.《Stone and Stewardship》
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
自己做事切不可拖泥带水、反复无常及琐碎。替别人做事却不能怕麻烦、不能怕反复以及琐碎。