It means believing that bad men like badness as such, in the same way in which good men like goodness. At first this denial of any common nature between us and our enemies seems gratifying. We call them fiends and feel that we need not forgive them. But, in reality, along with the power to forgive, we have lost the power to condemn. If a taste for cruelty and a taste for kindness were equally ultimate and basic, by what common standard could the one reprove the other?