To err is human; to forgive divine.
To err is human; to purr, feline.

To err is human; two curs, canine.
To err is human; to do nothing, benign.

To err is human; to quit, resign.
To err is human; to howl, lupine.

To err is human; to solve, design.
To err is human; to moo, bovine.

To err is human; to soothe, calamine.
To err is human; to pretend, pantomime.

To err is human; to bloom, columbine.
To err is human; to prance, equine.

To err is human; to add, combine.
To err is human; to befriend, pal o' mine.

To err is human; to woo, Valentine.
To err is human; to horrify, Frankenstein.

To err is human; to straighten, align.
To err is human; to drown, Clementine.

To err is human; to twist, serpentine.
To err is human; to love, sublime.

To err is human; to cut in, go back in line!