“It did not last: the devil, shouting "Ho.
Let Einstein be," restored the status quo.”
"In continuation of Pope on Newton" from Poems (1926); Squire is here extending upon the famous statement of Alexander Pope:
Nature and Nature's laws lay hid in night:
God said, Let Newton be! — and all was light.
As quoted in The Epigrammatists : A Selection from the Epigrammatic Literature of Ancient, Mediæval, and Modern Times (1875) by Henry Philip Dodd, p. 329.