Sustainable quarrying isn't an option; it's our obligation to future generations.
可持续采石不是选择，而是我们对后代的责任。
最成功的企业是那些以人为本的企业。
Grief is like the ocean; it comes on waves ebbing and flowing. Sometimes the water is calm, and sometimes it is overwhelming. All we can do is learn to swim.
"The only way to get better is to compete against the best."