have the courage of your convictions

US /hæv ðə ˈkɜːrɪdʒ əv jʊər kənˈvɪkʃənz/
UK /hæv ðə ˈkɜːrɪdʒ əv jʊər kənˈvɪkʃənz/
"have the courage of your convictions" picture
1.

to be brave enough to do what you feel is right and to not be afraid to express your beliefs, even if others disagree

:
It's important to have the courage of your convictions, especially when facing peer pressure.
She always has the courage of her convictions, even when it means standing alone.