Msgr. Pope: In Sunday’s Gospel (John 1:29ff), John the Baptist speaks of Jesus, calling Him superior, pre-existent, and anointed by the Holy Spirit. What also stands out is that John twice says, “I did not know Him.” This seems odd given that they were cousins. While it is possible that the text merely means they were not well acquainted, there is likely a deeper explanation. It is as if John is saying, “I knew him, but I never really knew Him. I never really saw until now the full depths of Him. I did not fully realize His glory until God showed me.” More here.