courage of one's convictions, have the

have the courage of (one's) convictions

To have the confidence to act or behave in accordance with one's beliefs or ideologies, especially in the face of resistance, criticism, or persecution. The governor was presented with a bribe to help the corporation avoid regulation, but she had the courage of her conviction to refuse such an offer.
See also: conviction, courage, have, of

courage of one's convictions, have the

Behave according to one's beliefs. For example, Carl wouldn't give his best friend any of the test answers; he had the courage of his convictions . This expression is believed to have originated as a translation of the French le courage de son opinion ("the courage of his opinion"), dating from the mid-1800s and at first so used. By the late 1800s it had changed to the present form.
See also: courage, have, of