1 Corinthians 2:3

In weakness] His first visit was paid at a time when he was either sick in body from his recurrent malady (2 Corinthians 12:7), or sick at heart from his failure at Athens (Acts 17:32), and dreading lest he were again to fail among these argumentative Greeks. Fear and.. much trembling] The Apostle frequently uses this expression to indicate an overpowering anxiety for the performance of duty, culminating in a supreme effort: cp. 2 Corinthians 7:15; Ephesians 6:5; Philippians 2:12.