a.k.a. Total Inability
T - Stands for Total Depravity The belief in total depravity takes the view that sinfulness pervades all areas of life and human existence. Through the Fall of Man, humanity is stained by sin in every aspect: heart, emotions, will, mind, and body. This means people cannot independently choose God. They cannot save themselves. God must intervene to save people.
Calvinism insists that God must do all the work, from choosing those who will be saved to sanctifying them throughout their lives until they die and go to heaven. Calvinists cite numerous Scripture verses supporting humanity’s fallen and sinful nature, such as Mark 7:21-23, Romans 6:20, and 1 Corinthians 2:14.
Jeremiah 17:9; Romans 1:18–25; 3:9–23; 7:18; 1 John 1:8–10