New Revised Standard Version
Now by this we may be sure that we know him, if we obey his commandments.

Contemporary English Version
When we obey God, we are sure we know him.

New American Bible
The way we may be sure that we know him is to keep his commandments.

Douay-Rheims Bible
And by this we know that we have known him, if we keep his commandments.

And by this we know that we have known him, if we keep his commandments.

hereby.

1 John 2:4-6 He who saith that he knoweth him and keepeth not his commandments is a liar: and the truth is not in him. . . .

1 John 3:14,19 We know that we have passed from death to life, because we love the brethren. He that loveth not abideth in death. . . .

1 John 4:13 In this we know that we abide in him, and he in us: because he hath given us of his spirit.

1 John 5:19 We know that we are of God and the whole world is seated in wickedness.

we know.

Isaiah 53:11 Because his soul hath laboured, he shall see and be filled: by his knowledge shall this my just servant justify many, and he shall bear their iniquities.

*Heb:

John 17:3 Now this is eternal life: That they may know thee, the only true God, and Jesus Christ, whom thou hast sent.

2 Corinthians 4:6 For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God, in the face of Christ Jesus.

if we.

1 John 3:22,23 And whatsoever we shall ask, we shall receive of him: because we keep his commandments and do those things which are pleasing in his sight. . . .

1 John 5:3 For this is the charity of God: That we keep his commandments. And his commandments are not heavy.

Psalm 119:6,32 Then shall I not be confounded, when I shall look into all thy commandments. . . .

Luke 6:46 And why call you me, Lord, Lord; and do not the things which I say?

John 14:15,21-24 If you love me, keep my commandments. . . .

John 15:10,14 If you keep my commandments, you shall abide in my love: as I also have kept my Father's commandments and do abide in his love. . . .

1 Thessalonians 4:1,2 For the rest therefore, brethren, pray and beseech you in the Lord Jesus that, as you have received from us, how you ought to walk and to please God, so also you would walk, that you may abound the more. . . .

Hebrews 5:9 And being consummated, he became, to all that obey him, the cause of eternal salvation:

Revelation 22:14 Blessed are they that wash their robes in the blood of the Lamb: that they may have a right to the tree of life and may enter in by the gates into the city.