The most powerful weapon you have is your voice, use it to inspire, to heal, and to change the world.

Don’t aim to have others like you； aim to have them respect you.

The purpose of business is to make a positive impact, not just a profit.

Innovation in quarrying isn't just about new machinery; it's about reimagining how we interact with the earth and communities.

犯错是人之常情。承担你的错误是神圣的。没有什么比迅速承认你所犯的错误，并承担个人责任，然后公平地纠正错位更能提升一个人的地位。如果你搞砸了，大胆承认错误吧。这种力量非常强大。

You need to invent things and you need to get them to people. You need to commercialize those inventions. Obviously, the best way we’ve come up with doing that is through companies.

I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.