You Can Know:

I John 5:13 “These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life, and that ye may believe on the name of the Son of God.”

I.  We Are All Sinners

Who is good?
Romans 3:10 “As it is written, There is none righteous, no, not one:”
Who has sinned? 
Romans 3:23 “For all have sinned, and come short of the glory of God;”

II.  Where Sin Came From

Romans 5:12 “Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned:” (One man -- the first man, Adam)
Revelation 20:14 “And death and hell were cast into the lake of fire. This is the second death.”
(The word death in this verse means Hell.)

III.  God's Price On Sin

Romans 6:23 “For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.”

IV.  Our Way Out

Romans 5:8 “But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.”
Romans 10:13 “For whosoever shall call upon the name of the Lord shall be saved.”
Romans 10:9-11 “That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation. For the scripture saith, Whosoever believeth on him shall not be ashamed.”

V. You Must Ask In Faith.

Hebrews 11:6 “But without faith it is impossible to please him: for he that cometh to God must believe that he is, and that he is a rewarder of them that diligently seek him.”

VI. Ask Jesus to save you now.

(Sample Prayer) Dear Jesus, I know that I am a sinner; if I died now in my sin, I would go to Hell. Right now, by faith, I am trusting You as my personal Saviour and my only hope for Heaven. Thank You for dying on the cross for me and for saving me from an eternity in Hell. In Jesus’ name, Amen.