Our desire for God is the fruit of a renewed heart; it is a dynamic of the Spirit.  I like what Tozer has said:

You and I are in little (our sins excepted) what God is in large.  Being made in His image we have within us the capacity to know Him.   In our sins we lack only the power.  The moment the Spirit has quickened us to life in regeneration our whole being senses its kinship to God and leaps up in joyous recognition.

Let me bring it to you in this way: we being in Christ, desire of God what Jesus desires of Him—His love, His fellowship, and His righteousness, etc.

Following Hard after God

With this desire, if indeed it is desire from God, we must pursue Him.  That is, we must take our desire and put it into action.  As Tozer has indicated in…