Change your life from Genesis 1:1 to Revelation 22:20.

With the immediacy of Internet searches and ease of handheld devices, the custom of memorizing Scripture may not seem necessary, but best-selling author Robert J. Morgan makes an airtight case for reviving this rewarding practice in 100 Bible Verses Everyone Should Know by Heart.

"It's vital for mental and emotional health and for spiritual well-being," he writes. "It's as powerful as acorns dropping into furrows in the forest. It allows God's words to sink into your brain and permeate your subconscious thoughts. It...