pride oneself in

pride (oneself) in (something)

To take satisfaction in, be proud of, or highly value some action for which one is renowned. Our company has always prided itself in its excellent customer support and commitment to customer satisfaction. Janet prides herself in always finishing her projects under deadline.
See also: pride

pride oneself in something

 and pride oneself on something
to take pride in one of one's qualities or accomplishments. She prides herself in her ability to spot a shoplifter. I pride myself on my ability to find compromises.
See also: pride