There is no time like the present: there is no time but the present.
There is no time when you didn’t exist. There is no time when you will cease to exist.
Compare:
The past is never dead. It’s not even past.
William Faulkner
Memory is less a neutral accident of the mind than a conscious work of interpretation, marked as much by deletion as by selection.
James Carroll
Backup:
The Gloss 
Have always liked the Faulkner quote.
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