One small spark is all it takes in the right conditions to set alight tinder. soon enough it can engulf branches and leaf litter. Before long you can have a full on forest fire where mature trees ignite into tongues of insatiable fire. All just from one tiny spark.
James was a younger brother of Jesus. James found himself transition from unbelief to believing that his older brother was the long awaited Jewish Messiah after seeing him die on a Roman cross and then meeting Jesus alive, just days later a risen Saviour (1 Corinthians 15:7).