我们的矿工是美国最勤劳的人。
Our miners are the hardest working people in America.
If you’re not uncomfortable, you’re not growing.
Every loaf tells a story, from the flour to the final slice.
The laws of physics are the language in which the universe writes its story.
通往哲学的第一步是怀疑。
任何教育的改革，必须以人为本，人自己必须成为教育的中心。
做出伟大工作的唯一方法是热爱你所做的事情。
阅读使人充实，谈论使人机敏，写作使人精确。