采石场运营中的每个挑战都是创新和改进的机会。
We cannot always build the future for our youth, but we can build our youth for the future.
Circumstances rule men; men do not rule circumstances.
一个人有利用价值的时候他们会把你伺候的像皇帝一样。
过去总是紧张的，未来是完美的。
The more you sweat in peace, the less you bleed in war.
La imaginación es el arma más poderosa contra la realidad.
Leadership is about empowering others to achieve what they thought was impossible.