Alfred, Lord Tennyson Quote

I am any man's suitor,
If any will be my tutor:
Some say this life is pleasant,
Some think it speedeth fast,
In time there is no present,
In eternity no future,
In eternity no past.
We laugh, we cry, we are born, we die.
Who will riddle me the how and the why?

The Poetical Works (ed. 1874)