Thomas Brooks emphasizes the importance of meditation, practice, and prayer in the life of a believer. He argues that true enrichment comes not from the quantity of reading or hearing, but from the depth of meditation on divine truths, which leads to a lasting impression on the heart. Brooks warns against the futility of reading without practicing, likening it to hunting without catching, and stresses the necessity of prayer to seek God's blessing on our understanding. He encourages Christians to keep one eye on their reading and the other looking up to heaven, ensuring a holistic approach to spiritual growth.