Friends of Jesus Obey His Commands: what about infant "baptism"?

Joh 15:14 "You are My friends, if you do what I command you.

Joh 14:23  Jesus answered and said to him, "If anyone loves Me, he will keep My word; and My Father will love him, and We will come to him, and make Our abode with him. 24  "He who does not love Me does not keep My words; and the word which you hear is not Mine, but the Father's who sent Me.

What did Jesus command about baptism and His doctrine?

Mat 28:19  "Go therefore and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit, 20  teaching them to observe all that I commanded you; and lo, I am with you always, even to the end of the age."

Those down through the ages who have kept the Roman Catholic Church's doctrine and practice of infant sprinkling instead of Jesus' command of believer's immersion, while claiming to be experts in Scripture, prove to be rebels regardless of what else they said. His last command before ascending into Heaven was clear and concise, yet as the Pharisees, many hold to men's teachings as if doctrines of God. Such is a heart that stands in unrepentant sin. That is to say, they have stood as enemies of the very one they claimed as Lord.

Mat 15:8  'THIS PEOPLE HONORS ME WITH THEIR LIPS, BUT THEIR HEART IS FAR AWAY FROM ME. 9  'BUT IN VAIN DO THEY WORSHIP ME, TEACHING AS DOCTRINES THE PRECEPTS OF MEN.'"