De Institutione Oratoria (c. 95 AD)
- We give to necessity the praise of virtue.
- It is much easier to try one's hand at many things than to concentrate one's powers on one thing.
- Book I, 12, 7.
- Mendacem memorem esse oportet
- A liar should have a good memory.
- Book IV, 2, line 91; see also: "Liars ought to have good memories", Algernon Sidney, Discourses on Government, chapter ii, section xv.
- Vain hopes are often like the dreams of those who wake.
- Book VI, 2, line 30; see also: "For hope is but the dream of those that wake", Matthew Prior, Solomon on the Vanity of the World, book iii, line 102.
- We should not write so that it is possible for [the reader] to understand us, but so that it is impossible for him to misunderstand us.
- Book VIII, 2, 24.
- Historia et scribitur ad narrandum non ad probandum.
- History is written for the purpose of narration and not in order to give proof.
- Book X, 1, line 31.
- Nature herself has never attempted to effect great changes rapidly.
- Book X, 3, 4.
- Pectus est enim, quod disertos facit.
- For it is feeling and force of imagination that makes us eloquent.
- Book X, 7, line 15.
- Qui stultis videri eruditi volunt stulti eruditis videntur.
- Those who wish to appear wise among fools, among the wise seem foolish.
- Book X, 7, line 21; see also An X among Ys, a Y among Xs.