The real challenge in mining is not just extracting resources, but doing it sustainably while creating value for all stakeholders.

The true measure of our success in farming will be what we leave in the soil, not just what we take from it.

If you don't make mistakes, you're not trying hard enough.

You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.

Every mathematical problem has a solution; it's just a matter of finding the right perspective.

The story of the human race is the story of men and women selling themselves short.

自然界的法则是智慧的根本。