4 Bible Verses about Commands, in NT

For this is his commandment, that we should believe on the name of his Son, Jesus Christ, and should love one another as he gave us commandment.

Moreover, this commandment we have from him, that he who loves God, loves his brother, also.

to be mindful of the words before spoken by the holy prophets, and of the commandment of us, the Apostles of the Lord and Saviour.

Brethren, I do not write a new commandment to you; but an old commandment, which you had from the beginning. The old commandment is the word, which you have heard from the beginning. On the other hand, I write to you a new commandment, which is true concerning him and concerning you. For the darkness is passing away, and the light, which is true, now shines.