William Shakespeare, Sonnet lvi
Sweet love, renew thy force; be it not said, 
Thy edge should blunter be than appetite, 
Which but to-day  by feeding is allay'd , 
4
So, love, be thou; although to-day  thou fill 
Thy hungry eyes, even till they wink with fulness, 
8
The spirit of love with a perpetual dulness. 
Let this sad interim like the ocean be 
Which parts the shore, where two contracted-new 
Come daily to the banks, that, when they see 
12
Return of love, more blest  may be the view; 
Or call it winter, which, being full of care, 
Makes summer's return thrice more wish'd , more rare.