When Abram’s proclamation is combined with the wording of the call, we can see something of the nature of true faith. The Lord promised to make Abram’s name great, to make him famous, and Abram responded by proclaiming the name of the Lord – making the Lord famous in Canaan, as it were. When we recall that the Shinarites were involved in their disobedient enterprise in order to make a name for themselves (11:4), we can see how different the man of faith was. Those who seek fame through disobedience will be given an infamous name, but those who seek to exalt the name of the Lord through their obedient service will be made famous.
– Allen Ross, commenting on Genesis 12 in Creation and Blessing