Your most unhappy customers are your greatest source of learning.

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

Quality is remembered long after the price is forgotten.

Literature is a fire that burns within us, a fire that consumes and purifies, a fire that illuminates and warms.

一个领导者的真正考验不在于他们的指挥能力，而在于他们的激励能力。

民主不是观众运动。

我不害怕崩溃，因为我知道我总能重新振作。

The only way to understand painting is to look at it.

My work is my observation of the world.