" While Eastern meditation tries to get people to empty their minds, biblical meditation focuses on our filling our minds—and our mouths—with the truth. Joshua 1:8 says, “This Book of the Law shall not depart from your mouth, but you shall meditate in it day and night, that you may observe 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.” One of the definitions for the Hebrew word “meditate” is “to mutter.” Meditating involves repeating the words God has said out loud. As Joshua was told, this regular repetition of what God had said is the key to our ability to do the Word. "

― Bill Johnson , Strengthen Yourself in the Lord: How to Release the Hidden Power of God in Your Life