The only animal capable of giving man a fair fight is man. Actually, among ourselves, we fight unfairest of all, and the more we practice, the nastier we get.
Humanity, Human Nature, Fighting
One human could simply withhold its feelings and intentions from another human by failing to audibilize or it could audibilize things that were not real. The other human would be aware only of what it heard and would change its behavior in response to a nonexistent stimulus. They called it 'lying.
Humanity, Human Nature, Lying