Any believer knows that once saved he must grow in the knowledge of the Lord Jesus. What is more, that growth only comes by the Spirit’s ongoing revelatory work in us. Paul is praying for that work. What is more, we see what Paul is praying for in these verses. His desire is for these believers to “know what is the hope to which he has called you, what are the riches of his glorious inheritance in the saints, and what is the immeasurable greatness of his power toward us who believe” (Eph. 1:18-19).
Motivation is what moves us to do something. For some, the reason for being at the gym is the ten or twenty pounds they need to lose. Some study for grades. Some study to get beyond the poverty in which they grew up. Motivation is the thing that moves us. So let me ask you a question. What motivates you to holiness? We might be tempted to say any number of things. I hate my sin and so the desire to put it off motivates me to holiness, one person might argue. Another might claim that the glory of God motivates their holiness. And there is a sense in which each of these answers is right. We ought to be moved by a hatred for sin and a desire to see God glorified. However, those are not the main movers. So, what is?