O, call back yesterday, bid time return
I will make thee think thy swan a crow.
A lover goes toward his beloved as enthusiastically as a schoolboy leaving his books, but when he leaves his girlfriend, he feels as miserable as the schoolboy on his way to school. (Act 2, scene 2)
Then imitate the action of the tiger; stiffen the sinews, summon up the blood.
Give obedience where 'tis truly owed.
Earth-treading stars that make dark heaven light