学习的意愿是一种内在动机，其来源和奖励都在于其自身的实践。
The will to learn is an intrinsic motive, one that finds both its source and its reward in its own exercise.
成功不要紧，失败不致命。继续前行的勇气，才最可贵。
国家有贤德之士而不任用，不是贤德之士的过失，而应该是拥有这个国家的君主的羞耻。
Life is an adventure, and the only way to truly live is to embrace the unknown.
The war on coal is a war on the American worker.