运营良好的采石场是精确、安全和尊重的交响乐。
A well-run quarry is a symphony of precision, safety, and respect.《The Quarry Master's Manual》
Science is simply common sense at its best—that is, rigidly accurate in observation, and merciless to fallacy in logic.  
The moment you stop trying is the moment you stop learning.
创新不仅仅是创造新产品,而是重新构想我们如何每天为消费者服务。
They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'
I believe in the power of art to inspire, to heal, and to bring people together.