1 John 2:4

He who professes to know Him, and yet does not obey His commands, is a liar, and the truth has no place in his heart.

1 John 1:8

If we claim to be already free from sin, we lead ourselves astray and the truth has no place in our hearts.

1 John 1:6

If, while we are living in darkness, we profess to have fellowship with Him, we speak falsely and are not adhering to the truth.

Titus 1:16

They profess to know God; but in their actions they disown Him, and are detestable and disobedient men, and for any good work are utterly useless.

James 2:14-16

What good is it, my brethren, if a man professes to have faith, and yet his actions do not correspond? Can such faith save him?

1 John 1:10

If we deny that we have sinned, we make Him a liar, and His Message has no place in our hearts.

1 John 2:9

Any one who professes to be in the light and yet hates his brother man is still in darkness.

1 John 4:20

If any one says that he loves God, while he hates his brother man, he is a liar; for he who does not love his brother man whom he has seen, cannot love God whom he has not seen.

Treasury of Scripture Knowledge

Summary

He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.

I know

Is a

General references

Bible References

I know

Titus 1:16
They profess to know God; but in their actions they disown Him, and are detestable and disobedient men, and for any good work are utterly useless.

Is a

1 John 1:6
If, while we are living in darkness, we profess to have fellowship with Him, we speak falsely and are not adhering to the truth.

General references

John 14:15
"If you love me, you will obey my commandments.