If the power of reflecting on the past, and darting the keen eye of contemplation into futurity, be the grand privilege of man, it must be granted that some people enjoy this prerogative in a very limited degree.
如果反思过去、用敏锐的眼光审视未来的能力是人类的一大权,那么必须承认,有些人在非常有限的程度上享有这种权。