The goal is not perfection but progress.

Sustainability must be at the core of every decision we make in the oil and gas industry.

真正的美国发现还在我们面前。我们精神、我们人民、我们强大而不朽的土地的真正实现，尚未到来。

朗兰兹纲领是数学思想统一性的反映。