I believe in the T, the U and the P, but not the L and the I, I think they are exaggerations.
"Total Depravity:
Sin has affected all parts of man. The heart, emotions, will, mind, and body are all affected by sin. We are completely sinful. We are not as sinful as we could be, but we are completely affected by sin.
The doctrine of Total Depravity is derived from scriptures that reveal human character: Man