William Shakespeare, Julius Cæsar (1599), Act III, scene 1, line 189. "Although the last, not least." King Lear, Act I, scene 1, line 85. Spenser, Colin Clout, line 444; reported as a proverb in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 642.https://en.wikiquote.org/wiki/English_proverbs_(alphabetically_by_proverb)