The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
The very essence of the creative is its novelty, and hence we have no standard by which to judge it.
粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。
A company's greatest asset is its people; invest in them, and they'll deliver beyond expectations.