The Father is working

Jesus had healed a man on the sabbath at the pool of Bethesda. He was accused of breaking the day of rest. His answer went deeper than a rule.

Jewish thinkers such as Philo of Alexandria already discussed that God never stops working. He sustains the world, on the sabbath too. Jesus says: as my Father works, so do I. To his opponents it sounded as if he was making himself equal with God. That was exactly what he meant.