Answer:
John Proctor stands on the principles of justice, truth, and integrity. He values honesty and moral rectitude, and his strong moral code is what drives him throughout the play. He is willing to stand up for his beliefs no matter the cost, even if it means sacrificing his own life. He also believes that no one should be unjustly accused, and he will not stand by and allow innocent people to be persecuted. He is a man of principle and honor, and his courage and determination are admirable.