WIST

While we ponder when to begin it becomes too late.

Marcus Fabius Quintilian (39-90) Roman orator
De Institutione Oratoria

Studium discendi voluntate, quae cogi non potest, constat.
[Study depends on the good will of the student, a quality that cannot be secured by compulsion.]

Marcus Fabius Quintilian (39-90) Roman orator
De Institutione Oratoria, Book III, ch. 8

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.

Marcus Fabius Quintilian (39-90) Roman orator
De Institutione Oratoria, Book VIII, ch. 2, l. 24

For it is feeling and force of imagination that makes us eloquent.

[Pectus est enim, quod disertos facit.] 

Marcus Fabius Quintilian (39-90) Roman orator
De Institutione Oratoria, Book X, ch. 7, l. 15