What he should have said is that if men were angels, coercive force would not be necessary to sustain the rule of law. There are other reasons for government that apply to angels as well as to men. The second fallacy is in psychology. It is telepathy. Angels, if they exist, communicate with one another through nothing physical, such as human speech.
Angels communicate with one another telepathically.
There are parapsychologists who claim that one man can read the mind of another by telepathy. Telekinesis is another phenomenon that some parapsychologists describe. It consists in moving a physical thing without touching it, nor using any physical means to do so. The third fallacy is angelistic linguistics. By using this language, human beings would be able to communicate with one another as angels do, without any chance of misunderstanding.