"Thus, too, it happens in estimating our spiritual qualities. So long as we do not look beyond the earth, we are quite pleased with our own righteousness, wisdom, and virtue; we address ourselves in the most flattering terms, and seem only less than demigods. But should we once begin to raise our thoughts to God, and reflect what kind of being He is, and how absolute the perfection of that righteousness, and wisdom, and virtue, to which as a standard, we are bound to be conformed, what formerly delighted us by its false show of righteousness, will become polluted with the greatest iniquity; what strangely imposed upon us under the name of wisdom, will disgust by its extreme folly; and what presented the appearance of virtuous energy, will be condemned as the most miserable impotence. So far are those qualities in us, which seems most perfect, from corresponding to the divine purity."
-John Calvin in his book The Institutes of the Christian Religion
How often do we, as Christians, think we have it all figured out? Oh to be sure, we don't come out and SAY this in words, but we live like we do. We don't consult with our Lord on every action we take, every decision we make, every movie we watch, every book we read, every word we say, every thought we think! The mindset is that we have "freedom" in Christ to do whatever we jolly well want, without actually seeking "what would please the Lord." (1 Thess. 4:1) As this quote so brilliantly states, we are HUMAN and our minds are naturally set on the things of this world. It will take work, perseverance, faith, and an ACTIVE seeking of the Lord and his Word to overcome this natural tendency we have as fallen man.
Just some food for thought :) Be encouraged! There is hope because God has seen fit to renew our minds. This means always scrutinizing what we allow into our minds, and what we allow into our hearts....