Once you glean from all of John's writings what "the commandments" are, the answer is simple, and has already been stated by John, and which is included in your quotations.
"And this is his commandment, that we believe in the name of his Son
Jesus Christ and love one another, just as he has commanded us" - 1
John details two ...
Because we're supposed to keep the commandments.
Love is a brief way to say it. However doing the commands defines the love. Its not arbitrary love of mans design in some loose sense.
Christians today are not taught The Bible in full. They're taught along subjective doctrinal lines.
Because of that; many don't know the difference between ordinance ,statutes, ...
Because this is Jesus' commandment:
12 “This is my commandment, that you love one another as I have loved you. 13 Greater love has no one than this, that someone lay down his life for his friends. 14 You are my friends if you do what I command you. 15 No longer do I call you servants, for the servant does not know what his master is doing; but I have called ...
Throughout the book of Revelation, written by John as well, there is also much emphasis on the keeping of the commandments. (See Revelation 12:17; 14:12; and 22:14.)
John's writings emphasize love, and Jesus said:
If ye love me, keep my commandments. (John 14:15, KJV)
John consistently focuses on God's love and His law as being unseparable.
He that hath ...