Edited
The Trinity is, was and always will be. As it was in the beginning, now and for always.
Read the book of Genesis.
If you look at a clover, you will notice the clover has 3 petals but is one.
You may not believe in Jesus as the Son of God now, but you will later.
One big difference between the New Testament and your book is. You will not find the word "Kill", "Behead", "Slay", "Cut off, hand, arm, feet or legs" in the New Testament.
But you will find this:
Jhn 13:34 A new commandment I give unto you, That ye love one another; as I have loved you, that ye also love one another.
Jhn 13:35 By this shall all [men] know that ye are my disciples, if ye have love one to another.
Jhn 14:15 If ye love me, keep my commandments.
Jhn 14:21 He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.
Jhn 14:23 Jesus answered and said unto him, If a man love me, he will keep my words: and my Father will love him, and we will come unto him, and make our abode with him.
Jhn 14:31 But that the world may know that I love the Father; and as the Father gave me commandment, even so I do. Arise, let us go hence.
Jhn 15:9 As the Father hath loved me, so have I loved you: continue ye in my love.
Jhn 15:10 If ye keep my commandments, ye shall abide in my love; even as I have kept my Father's commandments, and abide in his love.
Jhn 15:12 This is my commandment, That ye love one another, as I have loved you.
Jhn 15:13 Greater love hath no man than this, that a man lay down his life for his friends.
Jhn 15:17 These things I command you, that ye love one another.
Jhn 15:19 If ye were of the world, the world would love his own: but because ye are not of the world, but I have chosen you out of the world, therefore the world hateth you.
Jhn 17:26 And I have declared unto them thy name, and will declare [it]: that the love wherewith thou hast loved me may be in them, and I in them.
Jhn 21:15 So when they had dined, Jesus saith to Simon Peter, Simon, [son] of Jonas, lovest thou me more than these? He saith unto him, Yea, Lord; thou knowest that I love thee. He saith unto him, Feed my lambs.
Jhn 21:16 He saith to him again the second time, Simon, [son] of Jonas, lovest thou me? He saith unto him, Yea, Lord; thou knowest that I love thee. He saith unto him, Feed my sheep.
Jhn 21:17 He saith unto him the third time, Simon, [son] of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith unto him, Feed my sheep.
Rom 5:5 And hope maketh not ashamed; because the love of God is shed abroad in our hearts by the Holy Ghost which is given unto us.
Rom 5:8 But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.
Rom 8:28 And we know that all things work together for good to them that love God, to them who are the called according to [his] purpose.
Rom 8:35 Who shall separate us from the love of Christ? [shall] tribulation, or distress, or persecution, or famine, or nakedness, or peril, or sword?
Rom 8:39 Nor height, nor depth, nor any other creature, shall be able to separate us from the love of God, which is in Christ Jesus our Lord.
Rom 12:9 [Let] love be without dissimulation. Abhor that which is evil; cleave to that which is good.
Rom 12:10 [Be] kindly affectioned one to another with brotherly love; in honour preferring one another;
Rom 13:8 Owe no man any thing, but to love one another: for he that loveth another hath fulfilled the law.
Rom 13:9 For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if [there be] any other commandment, it is briefly comprehended in this saying, namely, Thou shalt love thy neighbour as thyself.