Quintilian Quotes about Writing

"Institutio Oratoria (Institutes of Oratory)". Book by Quintilian (Book VIII, Chapter II), circa 95 AD.
Write quickly and you will never write well; write well, and you will soon write quickly.
Quintilian (2015). “Delphi Complete Works of Quintilian (Illustrated)”, p.528, Delphi Classics
Quintilian (1805). “Quintilian's institutes of eloquence ...”, p.15
Quintilian (1856). “Quintilian's Institutes of Oratory, Or, Education of an Orator: In Twelve Books”, p.286