可持续性是采石业的未来，我们必须立即行动。

While statistics say that 95 percent of all young men who enter business fail, this should not discourage any one. Go out with the spirit “sink or swim,”and a person will not sink.

"The world is a stage, but the play is badly cast."

悲观主义者是这种人：当他可以从两种罪恶中选择时，他把两种都选了。

"The power of storytelling is that it connects us to the humanity of others."

I have now taken a serious task upon myself and I fear a greater one than is in the power of any man to perform.

Stay true to yourself, yet always be open to learn.