Theology

Tensions inside Christian doctrine itself: ideas the text seems to pull in two directions.

Are we saved by faith or by works? Paul and James Romans 3:28; Romans 4:1-5; James 2:14-26; Galatians 2:16
Paul says a person is justified by faith apart from works of the law. James says a person is justified by works and not by faith alone.
Did Jesus claim to be God? Mark 10:18 and John 8:58 Mark 10:17-18; Mark 14:61-62; John 8:58; John 10:30-33
The Synoptic Gospels show Jesus speaking in indirect terms about his identity. John has him make explicit claims. Scholars differ on what Jesus said himself.
Does God change his mind? Numbers 23:19 vs Exodus 32:14 Numbers 23:19; 1 Samuel 15:29; 1 Samuel 15:35; Exodus 32:14; Genesis 6:6; Jonah 3:10
Some passages say God never repents. Others say God repented, sometimes in the same chapter.
Does the Bible teach eternal torment? Matthew 25:46 and the alternatives Matthew 25:46; Matthew 10:28; Revelation 20:10; Romans 5:18; 1 Timothy 2:4
Traditional Christianity teaches that the lost suffer forever. Some texts support that, others speak of destruction, and a few suggest that all will be saved.
Predestination or free will? Romans 9 vs Ezekiel 18 Romans 9:15-18; Ephesians 1:4-5; Ezekiel 18:23; 1 Timothy 2:3-4
Some passages say God chooses whom he saves before they are born. Others say he wants all to be saved and holds people responsible for their choices.
Where is the Trinity in the Bible? Deuteronomy 6:4; Matthew 28:19; John 10:30; John 14:28; 2 Corinthians 13:14
The word Trinity does not appear in the Bible. The doctrine was set out in the fourth century from texts that can be read in more than one way.