We get a very good picture of what Joshua did during his walk with God that made him the successful leader that he was. In 1:8 he shows that in order to be successful, he needed to meditate on (repeatedly read and recite) the words of God constantly and continually, follow them exclusively, and except them totally. (See Psalm 1:1-3) Obedience begins with the relentless quest to know and take heart in God’s Word. Throughout his life, Joshua heeded what God told him in this divine consultation. In his farewell address, Joshua makes an interesting statement in chapter 23 verse 6 about staying on the path.

Joshua 1:8-9 provides powerful insight into the theme of renewal, especially in the context of spiritual and mental renewal. Here’s how these verses read:

Joshua 1:8-9: "This Book of the Law shall not depart from your mouth, but you shall meditate on it day and night, so that you may be careful to do according to all that is written in it. For then you will make your way prosperous, and then you will have good success. Have I not commanded you? Be strong and courageous. Do not be frightened, and do not be dismayed, for the Lord your God is with you wherever you go."

Here's how these verses correlate with the concept of renewal:

1. Meditation on the Word: Joshua 1:8 emphasizes the importance of consistently meditating on God's Word. This practice leads to spiritual renewal as it helps believers internalize God's teachings, reshape their minds, and align their actions with God's will. Regular reflection on scripture can renew one's perspective and deepen one's faith.
2. Obedience and Transformation: By encouraging believers to follow God's commands, the verses suggest that obedience to God's Word brings about a transformation in life. This can be seen as a form of renewal, where living according to God's principles results in a prosperous and successful path.
3. Strength and Courage: Joshua 1:9 speaks to the inner renewal of strength and courage. God commands Joshua to be strong and courageous, reassuring him that He will be with him wherever he goes. This divine assurance renews Joshua's confidence and fortitude, empowering him to lead the Israelites into the Promised Land. This idea of renewed strength through faith is a recurring theme in the Bible.
4. God's Presence: The promise of God's constant presence in verse 9 is a source of continual renewal. Knowing that God is always with us, providing guidance and support, can renew our sense of purpose and resolve in facing life's challenges.

In summary, Joshua 1:8-9 underscores the importance of engaging with God's Word, living in obedience, and relying on God's presence for strength and courage. These practices will contribute to the ongoing process of spiritual and mental renewal, helping believers to grow and thrive in their faith.