John 7:17

"If any one wills to do God's will he shall know concerning my teaching, whether it is from God, or I speak my own authority. Dedicate them in thy truth; thy word is truth."

1 John 2:3-4

This is how we may know that we have come to know Him, by always keeping his commandments.

Treasury of Scripture Knowledge

Summary

LORD, I have hoped for thy salvation, and done thy commandments.

Bible References

And done

John 7:17
"If any one wills to do God's will he shall know concerning my teaching, whether it is from God, or I speak my own authority. Dedicate them in thy truth; thy word is truth."
1 John 2:3
This is how we may know that we have come to know Him, by always keeping his commandments.