It ain’t necessarily so,
It ain’t necessarily so —
De t’ings dat you li’ble
To read in de Bible —
It ain’t necessarily so.

Ira Gershwin (1896-1983) American lyricist [b. Israel Gershowitz]

“It Ain’t Necessarily So,” Porgy and Bess, Act 2, sc. 2 (1935)
    (Source)