大自然的足迹不仅要在其寻常过程中追寻,还要在她最离奇的偏离中寻找。
The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.
The historian is a prophet in reverse.
"The past is a foreign country; they do things differently there."
The secondary rules are those that provide for the creation, alteration, and extinction of primary rules.