Dementai UK to the rescue: Mel my Admiral Nurse has forwarded this poem following my earlier post.  Is there no limit to the skills, and knowledge, of the staff of this organisation?

Yesterday Is History – Poem by Emily Dickinson

Yesterday is History,
‘Tis so far away –
Yesterday is Poetry –
‘Tis Philosophy –

Yesterday is mystery –
Where it is Today
While we shrewdly speculate
Flutter both away

Emily Dickinson