Go, wiser thou! and in thy scale of sense weigh thy opinion against Providence.

The light of Heaven restore; Give me to see, and Ajax asks no more.

A little learning is a dangerous thing; Drink deep, or taste not the Pierian spring.

And make each day a critic on the last.

Know then this truth, enough for man to know virtue alone is happiness below.

New, distant Scenes of endless Science rise: So pleas'd at first, the towring Alps we try.

All looks yellow to the jaundiced eye. [and therefore the solution is to fix the jaundiced eye.]