But he who hates his brother is in the darkness, and walks in the darkness, and doesn't know where he is going, because the darkness has blinded his eyes.

 (i) It may be that the anointing means the coming of the Spirit upon the Christian in baptism. In the early Church that happened in the most visible way ( Acts 8:17). If in this passage we were to substitute the Holy Spirit for anointing we would get excellent sense. 