To A Lady Asking Him How Long He Would Love Her - Sir George Etherege

It is not, Celia, in our power
  To say how long our love will last;
It may be we within this hour
  May lose those joys we now do taste;
The Blessèd, that immortal be,
From change in love are only free.

Then since we mortal lovers are,
  Ask not how long our love will last;
But while it does, let us take care
  Each minute be with pleasure past:
Were it not madness to deny
To live because we’re sure to die?

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Sir George Etherege (c.1636 – 1692) England