Hair and shoes say it all. Everything in between is forgivable as long as you keep it simple. Trying to talk with your clothes is passive-aggress ive.
There are some things that are so unforgivable that they make other things easily forgivable.
Few books today are forgivable.
Mistakes are always forgivable, if one has the courage to admit them.
My experience of people is that they are infinitely forgivable.
One sacrifice has to be made: never use harsh or rude language. Foul language you can use; foul language doesn't hurt. Foul language is forgivable (though it is bad). But rude language cannot be forgiven.
If the myth of pure evil is that evil is committed with the intention of causing harm and an absence of moral considerations, then it applies to very few acts of so-called 'pure evil' because most evildoers believe what they are doing is forgivable or justifiable.