We believe in only one God.
Thou shalt have no other gods before me. Exodus 20:3
That Jesus is the son of God. (God the Son)
For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life. John 3:16
That Jesus lived a life without sin.
And ye know that He was manifested to take away our sins; and in Him is no sin. I John 3:5
That we have sinned.
For all have sinned and come short of the glory of God. Romans 3:23
That sin brings judgement.
For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord. Romans 6:23
That Jesus paid for our sins with his life.
For ye were not redeemed with corruptible things...But with the precious blood of Christ...1 Peter 1:18-19
That we are saved by grace alone.
For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: Not of works, lest any man should boast. Epheshians 2:8-9
That anyone can be saved.
For whosoever shall call upon the name of the Lord shall be saved. Romans 10:13