Jesus is our model. He is the rule, not the exception, so when we see Him act, then we are called to act similarly.
How does Jesus face His temptations in the desert, shown to us in today's Gospel reading (Lk 4:1-13)? With Scripture. Jesus quoted from Scripture in the face of temptations and trials. Shouldn't you?
The Bible is a Catholic book, through and through. Paul, who we also hear quoting Scripture today (Rom 10:8-13), writes also that "(a)ll scripture is inspired by God and useful for teaching, for refutation, for correction, and for training in righteousness" (2 Tim 3:16). Scripture has divine authority, and when you read it, you are being taught or refuted or corrected or trained by God.
Today, work to commit a single, powerful passage of Scripture to memory. Many already know John 3:16 (at least, if you've been to a sporting event). What about Mat 19:26? If you doubt God's forgiveness and your salvation, consider memorizing Is 53:5 instead. For those struggling with addiction, learn 1 Cor 10:13. Those struggling with purity in particular can learn Ps 119:9-11 or 1 Cor 6:20. "All scripture is inspired by God and useful... for correction, and for training...".