Innovation in quarrying isn't just about machinery; it's about vision and sustainability.

The whole difference between construction and creation is exactly this: that a thing constructed can only be loved after it is constructed; but a thing created is loved before it exists.

I am following nature without being able to grasp her.

当我们既倾听科学家又倾听农民时，真正的进步才会发生。

The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.

Innovation is at the heart of what we do. It's how we meet the world's growing energy needs while addressing environmental challenges.

People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.

Every application of technology must be based on sustainability.