The junior senator from Texas told Fox News host Megyn Kelly his “passionate” personality corroded his judgment during the fight to repeal Obamacare and pushed some Republicans lawmakers away.

“I wish in hindsight that I’d done a better job of reaching out to a lot of key thought leaders and looping people in on our strategy on building a broader coalition,” Cruz said. “I thought what we were trying to do was evident and it wasn’t nearly as evident to people who I thought should have been our allies, but weren’t.”

This self-criticism, though rarely heard on the campaign trail, was first penned in the presidential candidate’s 2015 autobiography, A Time for Truth.