well, he was a product of his times and also do note that he didn't hate the Jews racially, but only had strong words to say about them when he couldn't convert them.
Was he frustrated? Was he content? Was he disappointed? Did he have unmet expectations? Had he surrendered to The Father's will? Was he using his common sense? Was he proud? Was he stubborn? Was his trust in God the fleshy kind with expectations? Did he have true repentance with a broken Spirit? Did the Holy Spirit direct him to use the strong words? Is his life a good model for us? I do not know but, Thank God, God knows