A person who is wise does nothing against their will, nothing with sighing or under coercion.
— Marcus Tullius Cicero

People are changed, not by coercion or intimidation, but by example.
Unknown coercion quote

All socialism involves slavery. That which fundamentally distinguishes the slave is that he labours under coercion to satisfy anothers desires.
— Herbert Spencer

Authority is not power; that's coercion. Authority is not knowledge; that's persuasion, or seduction. Authority is simply that the author has the right to make a statement and to be heard.
— Herman Kahn

Law is any application for the official use of coercion that succeeds.
— Bob Black