From my own experience and my observations of others I've found that many of us have an unhealthy tendency towards excessive introspection (it is worth mentioned that there are people who are on the other extreme and need to slow down and take some time to examine their own hearts). We are constantly evaluating how we feel, where we are at, whether we are doing the right things, what other people are thinking about us, what in our lives we need to improve, etc. We think that by doing this we will end up being able to fix problems and manufacture change.
However, this kind of excessive introspection can't be found in Scripture and actually runs counter to the pattern of gospel-centered change we find there. If you follow the logic of Paul and others as they call for transformed lives it is always attached to the gospel, it is always empowered by the Spirit and it always puts Christ front and center.
Consider the following passage of Scripture and then read the quote below.
And we all, with unveiled face, beholding the glory of the Lord, are being transformed into the same image from one degree of glory to another. For this comes from the Lord who is the Spirit.
(2 Corinthians 3:18 ESV)
For every look at self—take ten looks at Christ! Live near to Jesus—and all things will appear little to you in comparison with eternal realities.
How many millions of dazzling pearls and gems are at this moment hidden in the deep recesses of the ocean caves. Likewise, unfathomable oceans of grace are in Christ for you. Dive and dive again—you will never come to the bottom of these depths! –Robert Murray McCheyne (1813-1843)
(HT: Irish Calvinist)