可持续性不是选择，而是矿业未来的必然要求。

The true measure of a leader is how they empower others to succeed.

I'm not here to be perfect, I'm here to be real.

I don't need validation from anyone.

I'm a black American, I am proud of my race. I am proud of who I am. I have a lot of pride and dignity.

在数学中，最深刻的思想往往源于最简单的观察。