"A good picture book is like a good joke - it needs perfect timing."

采矿创新不是可选的——它对生存和发展至关重要。

在这个行业里，如果你很优秀，十次中你会对六次。你永远不会十次中对九次。

Every book is a quotation; and every house is a quotation out of all forests, and mines, and stone quarries; and every man is a quotation from all his ancestors.

I sound my barbaric yawp over the rooftops of the world.