William Shakespeare, Sonnet cxl
Be wise as thou art cruel; do not press 
My tongue-tied patience with too much disdain; 
Lest sorrow lend me words, and words express 
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The manner of my pity-wanting pain. 
If I might teach thee wit, better it were, 
Though not to love, yet, love, to tell me so; 
(As testy sick men, when their deaths be near, 
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No news but health from their physicians know;) 
For, if I should despair, I should grow mad, 
And in my madness might speak ill of thee: 
Now this ill-wresting world is grown so bad, 
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Mad slanderers by mad ears believed be. 
That I may not be so, nor thou belied, 
Bear thine eyes straight, though thy proud heart go wide.