'Beginning' in the Bible

What was from the beginning, what we have heard, what we have seen with our eyes, what we have looked at and our hands have touched, concerning the word of life--

Dear friends, I am not writing a new commandment to you, but an old commandment which you have had from the beginning. The old commandment is the message which you have heard.

I am writing to you, fathers, because you have known the [One who is] from the beginning. I am writing to you, young men, because you have conquered the evil one.

I have written to you, children, because you have known the Father. I have written to you, fathers, because you have known the [One who is] from the beginning. I have written to you, young men, because you are strong, and the word of God resides in you, and you have conquered the evil one.

[As for] you, what you have heard from the beginning must remain in you. If what you have heard from the beginning remains in you, you also will remain in the Son and in the Father.

The one who practices sin is of the devil, because the devil has been sinning from the beginning. For this [reason] the Son of God was revealed: in order to destroy the works of the devil.

For this is the message that you have heard from the beginning: that we should love one another,