I try to write books that are both entertaining and thought-provoking.

The mining industry is cyclical, but great companies are built by those who can navigate the downturns as well as the booms.

The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

In the depth of the valley is the road to salvation.

当我们自由行动时，为了行动本身而不是为了其他动机，我们学会变得比我们原来更多。

科学是关于在知识和技术上突破界限。