The Bible says you must be drawn, or invited to be saved. It is God who gives the invitation, and gives it when it pleases Him. But in Hell there will never be another opportunity to be saved. We came under the penalty of it. We are guilty.
Salvation is in a person.
That person is Jesus Christ. Jesus Christ came to earth from Heaven, through the womb of a virgin. I know that this is impossible with man, but we are discussing the workings of God. Jesus was born without an earthly father, thereby bypassing the penalty that was pronounced upon Adam. The Father demanded a perfect and pure sacrifice.