学习应使人感到快乐，否则不能称之为真正的学习。

Sustainability isn't a department; it's a design principle that must permeate everything we create.

The true measure of a mining company isn't its stock price, but its stewardship.

The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.

企业责任远远超出我们的产品范围，延伸到我们如何塑造社会。