 Because people wanted to kill him daily. We can certainly see how that thought ministered to him. Paul was not running around depressed. He knew there was coming a day when he would be transformed and translated. He knew that he would go to be with the Lord. And knowing that doctrinal truth gave him great hope and confidence to the point that he looked death in the face and he mocked it. Now in verses 56 to 57, he gives us the basis for his mockery. And he gives it in a syllogistic form, which means he gives it in a logical formula of syllogism philosophically.