Fear is an instructor of great sagacity, and the herald of all revolutions.
- Ralph Waldo Emerson
Normally it was not until the latter half of a course that Gold lost interest in his subject matter and starting disliking his students. This term it was happening at the outset.
- Joseph Heller
Bad nature never lacks an instructor.
- Publilius Syrus
His Son Jesus, the Word of God, is our Instructor.... He is God and Creator.