Quintilian Quotes about Evil
An evil-speaker differs from an evil-doer only in the want of opportunity.
"De Institutione Oratoria" by Marcus Fabius Quintilianus as reported in Hoyt's New Cyclopedia Of Practical Quotations, p. 244-45., 1922.
Where evil habits are once settled, they are more easily broken than mended.
"Institutio Oratoria". Textbook by Marcus Fabius Quintilianus, I, 3, 3,