have the courage of your convictions
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.
have the courage of your convictionsact on your beliefs despite danger or disapproval.
1998 Times The knives were out for us and we had to have the courage of our convictions.