Beside, he was a shrewd philosopher,
And had read ev’ry text and gloss over
Whate’er the crabbed’st author hath,
He understood b’ implicit faith.
Samuel Butler, Hudibras, Part I (1663-64), Canto I, line 127. Reported in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 596-97.