David convinces Saul to allow him to fight Goliath
David met with Saul and said he would fight Goliath. Saul offered David his armor, but David refused.
Key passages
1 Sa 17:31–39

Now the words which David had spoken were heard and they reported them to Saul, and he summoned him. David said to Saul, “Do not let anyone’s heart fail concerning him! Your servant will go and fight with this Philistine.” But Saul said to David, “You will not be …

See also
Important Things