I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

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

幸福的关键是有梦想。成功的关键是实现你的梦想。

Don’t wait for the perfect moment—take the moment and make it perfect.