Reasoning at every step he treads, Man yet mistakes his way, Whilst meaner things, whom instinct leads, Are rarely known to stray.

Reasoning at every step he treads, Man yet mistakes his way, Whilst meaner things, whom instinct leads, Are rarely known to stray.

人的每一步行动都是理性的，然而他却走错了路，而由本能引导的更卑鄙的东西很少会误入歧途。

-- William Cowper 威廉·考珀