You must ultimately acknowledge that God will Appear as a human being. For, if you state any truth at all, then it is you that states that the Truth shall come from a human being. But the only reason that we value the truth is so we can make better decisions that effect our lives. But anyone can state any arbitrary thing they may wish. Therefore, determination is the measure of how sure you are that something is true.
Determination is defined as the willingness to continue in spite of pain or frustration.
No one remains determined to uphold a truth if they think it will result in everlasting torment. We remain faithful to what we believe is true because we believe it will eventually lead to a better life even though there may be some temporary difficulty. Where there is no determination, there is no evidence of what you truly believe. And no one can make any serious claim that something is true without implying a measure of determination. Therefore, if any human should make any serious claim at all, then he states that this truth can grant a better life even though there may first be tribulation.