What the prophets do well - believe God

Paul speaks about Abraham in Romans 4 and says that what Abraham did is believe God would do what God said he would do. Therefore, Abraham and Sariah had a son, "against all odds" as most humans would say it's not possible for someone in their 90's to have a son. Here's what Paul said about Abraham:

21 And being fully persuaded that, what he had ^apromised, he was able also to perform.

22 And therefore it was imputed to him for righteousness.

23 Now it was not written for his sake alone, that it was imputed to him;

24 But for ^aus also, to whom it shall be imputed, if we believe on him that raised up Jesus our Lord from the dead;

25 Who was delivered for our ^aoffences, and was raised again for our ^bjustification.

Abraham believed God could do what God had said. That's what's expected of us, to believe that Jesus did what he said he would do: die for us that we might resurrect, be brought back to the presence of God, and forgiven of our sins and made like God if we repent. We just must believe.

Believing God was a trait of Paul's as well as he listened to a messenger of God in Acts 27 tell him that none of the men would die in the storm:

25 Wherefore, sirs, be of good cheer: for I believe God, that it shall be even as it was told me.

Matters of faith can be simple: believe God. He always comes through. Follow his promises and trust his word as recorded in the scriptures.