Qui Bene Distinguit Bene Docet
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
He who distinguishes well, learns well. 2 Inst. 470. QUI BENE 1NTERR0GAT BENE DOCET. He who questions well, learns well. 3 Bulst. 227. QUI CADIT A SYLLABA CADIT A TOTA causa. He who falls in a syllable falls in his whole cause. Bracton, fol. 211; St. Wales, 12 Edw. I.; 3 BL Comm. 407.
Ballentine's Law Dictionary
James A. Ballentine · 1916
He who distinguishes well, teaches well.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
2 Inst. 470. He who distinguishes well teaches well.