可持续性是采石业的未来，我们必须立即行动。

仁爱的人爱护他人，正义的人遵循道理。

I believe that if you keep your faith, you keep your trust, you keep the right attitude, if you're grateful, you'll see God open up new doors.

任何在科学探索中追求即时实用价值的人，可以确信他的追求是徒劳的。

作为一个有创造力的人，最危险的想法就是认为自己知道自己在做什么。

We come nearest to the great when we are great in humility.

记忆是我们无法被驱逐的唯一天堂。

The best way to increase your positivity is to find positive meaning within your current circumstances.