What is sanctification?
Many believers believe that the blood of Jesus already purified us from everything and we don't need to worry or do anything. So what is sanctification? The word sanctification means to be set apart. God sets people apart from the spiritual darkness and fills them with light. It's not religiosity, it's something that happens spiritually. When we avoid garbage to enter our mind, for example, we are sanctifying ourselves. Some people follow a lot of garbage (useless information, low-level stuff) on the internet, Social Media or on TV, etc. These people don't know, but they are letting spiritual pollution enter their spirits and that is a door for the enemy. Besides removing the strength of their spirit and damaging their connection to God. Sanctification is also related to our minds, not only to our flesh. Of course that if we don't commit sexual immorality we sanctify ourselves too. (But this is quite obvious) But when we do not let evil or foolish...