Word: known in 1 John

I write unto you, fathers, because ye have known him that is from the beginning. I write unto you, young men, because ye have overcome the wicked one. I write unto you, little children, because ye have known the Father.

1 John 2:14

I have written unto you, fathers, because ye have known him that is from the beginning. I have written unto you, young men, because ye are strong, and the word of God abideth in you, and ye have overcome the wicked one.

1 John 3:6

Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.

1 John 4:16

And we have known and believed the love that God hath to us. God is love; and he that dwelleth in love dwelleth in God, and God in him.