可持续性不是一种选择；它是我们行业生存的必要条件。

Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.

科学与艺术属于整个世界，在它们面前，民族的障碍都消失了。

Sustainable quarrying means listening to the land as intently as we listen to shareholders.

【讲解】：一个人的高尚的品质和外在的表现一致，然后才能成为君子。