The lion and the lamb may, possibly, sumtime lay down in this world together for a fu minnits, but when the lion kums tew git up, the lamb will be missing.

[The lion and the lamb may, possibly, sometime lay down in this world together for a few minutes, but when the lion comes to get up, the lamb will be missing.]

Josh Billings (1818-1885) American humorist, aphorist [pseud. of Henry Wheeler Shaw]

Everybody’s Friend, Or; Josh Billing’s Encyclopedia and Proverbial Philosophy of Wit and Humor, ch. 134 “Affurisms: Slips of the Pen” (1874)
    (Source)

A reference (using the more common phrasing) to Isaiah 11:6.