The Book of Truths was born when Cardiff gave one of his notebooks to a couple and asked them to write down the story they told him about their connection with his music so that he wouldn't forget it. Over the years, a number of Cardiff's songs have been inspired by entries in his Book of Truths. The bittersweet themes running throughout his latest album, "Love Is Louder (Than All This Noise) Part 1 & 2" largely stem from those stories, written anonymously by fans. "I feel a lot of these songs all started with getting one particular note from an audience member," says Cardiff. "This person had written about having a terrible year and wanting to take their own life. Just hard stuff. At the end of the night, I wrote a note back to them and later posted it online. A bunch of other people responded to it, and I feel like that idea carried over – as hard as it is to stay one more day, just don't make any big decisions tonight. Wait until tomorrow morning. That kept coming up my writing, being so inside of your head that it's all thinking and no feeling."