Olivia: What's a drunken man like, fool? Feste: Like a drowned man, a fool, and a madman: one draught above heat makes him a fool; the second mads him; and a third drowns him.

Believe then, if you please, that I can do strange things. [Act 5, Scene 2]

He kills her in her own humor.

In thy foul throat thou liest.

Crabbed age and youth cannot live together: Youth is full of pleasance, age is full of care.

Now see that noble and most sovereign reason, Like sweet bells jangled, out of tune and harsh.

She told her, while she kept it, 'Twould make her amiable and subdue my father Entirely to her love, but if she lost it Or made a gift of it, my father's eye Should hold her loathed and his spirits should hunt After new fancies.