Question

IDIOM: you use this expression when you want to say that you don't or won't do something because you perceive sth as morally good or bad, or because of a particular belief that you have

Accepted Answer

I never buy South African goods ON PRINCIPLE.

Front	IDIOM: you use this expression when you want to say that you don't or won't do something because you perceive sth as morally good or bad, or because of a particular belief that you have
Back	I never buy South African goods ON PRINCIPLE.

Idiom Expression Perceive Sth Morally Good Bad Belief