Do Hard Things: A Teenage Rebellion Against Low Expectations is a popular Christian book authored by Alex and Brett Harris, founders of The Rebelution.

[2] Do Hard Things has been one of the top 10 religious titles on Nielsen BookScan,[3] and was an Amazon.com bestseller.

[4] In Do Hard Things, the Harris brothers attempt to "explode the myth of adolescence," and show that prior to the 20th century, a person was either an adult or a child.

[5] The book challenges teenagers to go beyond their comfort zone,[6] and, in essence, "do hard things."

On April 1, 2020, a satirical blog post by Nathaniel Hendry sparked false rumors that the Harris twins had recanted their book, similarly to how their older brother, Joshua Harris had recanted his bestseller, I Kissed Dating Goodbye.