For those who believe in Eternal Security, do you agree with Charles Stanley...?
... that a 'saved' person would go to heaven despite committing suicide?
I do not believe that Samson committed suicide. Samson's destiny was to deliver Israel out of the hands of the Philistines. Samson did not fulfill his destiny until this moment when he was in the Philistine temple. Samson was willing to die and it says in Judges 16:30: So the dead which he slew at his death were more than [they] which he slew in his life. God does not condone suicide.
I read about a suicidal woman who called into a radio station. She said to the two men, "If I knew I was going to Heaven, I would do it." This was their opportunity to counsel this poor woman. One made an attempt to talk her out of it while the other said, "You are eternally secure. Anyone who has trusted in Christ is eternally secure ...." He was in essence telling this woman who took the time to call, which was a cry for help, that "if you commit suicide, you don't have to worry about your salvation. You are eternally secure because you trust in Christ." This is a false doctrine.
John 10:27-29 :
The sheep hear Jesus' voice (they listen or heed it) Jesus knows them. There are some who think that they are saved but to these He will say, "I do not know you." Even though they do things in His name, they do not do the will of the Father. The sheep follow Jesus. They are like the believers mentioned in Rev. 14:4. They follow the Lamb wherever he goes. They remain faithful to Him and are obedient to God. They do not allow others to lead them away from the Lamb. They do not allow themselves to be plucked from His hand.
In Romans 8:38-39, Paul is assuring believers that no matter what we are going through, we are not alone. None of these things could drive us away or separate us from God's love. Paul says we are more than conquerors through Him who loves us. This is not a reference to eternal security. It is telling us that during those dark hours when we do not feel God's presence, He is there. He gives us this wonderful promise in Isaiah 43:2.