生活在美国宪法下是人类历史上赋予的最伟大的政治特权。
To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.
A miner's skill and dedication are just as valuable as the coal they bring to the surface.
In business, if you're not moving forward, you're falling behind.
"The best books are the ones that leave you a little different than when you started."
In string theory, all particles are vibrations of a tiny supersymmetric string.
历史是在记忆的不完美与文献的不足相遇时产生的确定性。