The challenges of today's coal industry require bold leadership and vision.
The past is a shadow that shapes the present.
经济学家的角色既是科学家,又是工程师。
"Truth is not found in the light, but in the shadows where we dare not look."
2004年夏天从波尔图来到伦敦,出席俱乐部为他安排的记者招待会所说。