I think all of Jesus' directions are eternal. That is not, however, the same thing as saying that we are to strictly keep all of the law of Moses today, should that come up in the discussion.
Yahshua spent his entire ministry teaching Torah. He spent his entire ministry teaching repentance.
YHWH said time and time again that his laws are eternal.
Yahshua succinctly reiterated his Father's words.
(CLV) Lk 16:17
Yet it is easier for heaven and earth to pass by than for one serif of the law to fall.
(CLV) Mt 5:18
For verily, I am saying to you, Till heaven and earth should be passing by, one iota or one serif may by no means be passing by from the law till all should be occurring
(CLV) Mt 5:19
"Whosoever, then, should be annulling one of the least of these precepts, and should be teaching men thus, the least in the kingdom of the heavens shall he be called. Yet whoever should be doing and teaching them, he shall be called great in the kingdom of the heavens.
(CLV) Mt 5:20
For I am saying to you that, if ever your righteousness should not be superabounding more than that of the scribes and Pharisees, by no means may you be entering into the kingdom of the heavens.
The earth is still here.
Yahshua called us to do his father's will that is his teaching.
(CLV) Jn 14:24
He who is not loving Me, is not keeping My words. And the word which you are hearing is not Mine, but the Father's Who sends Me.
(CLV) Jn 7:16
Jesus, then, answered them and said, "My teaching is not Mine, but His Who sends Me.
(CLV) Jn 7:17
If anyone should be wanting to be doing His will, he will know concerning the teaching, whether it is of God or I am speaking from Myself.