William Shakespeare, Sonnet xv
When I consider every thing that grows
Holds in perfection but a little moment,
That this huge state presenteth nought but shows
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Whereon the stars in secret influence comment;
When I perceive that men as plants increase,
Cheered and check'd even by the selfsame sky;
Vaunt in their youthful sap, at height decrease,
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And wear their brave state out of memory;
Then the conceit of this inconstant stay
Sets you most rich in youth before my sight,
Where wasteful time debateth with decay,
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To change your day of youth to sullied night;
And, all in war with Time, for love of you,
As he takes from you, I engraft you new.