Hide it in your heart
It's hard to overstate the power of hiding scripture in your heart. It is our guide. A lamp unto our feed. A help in temptation. A hope in adversity. It is the literally God's Word. Hiding the word in our heart is a partial quote from Psalm 119:11. Here's the complete verse, "I have hidden your word in my heart that I might not sin against you." Memorizing Scripture gives us real power for victory over sin.
This article has practical tips for memorizing scripture.