If we were to understand them, as they understand themselves, we would find nothing but the familiar. There is, after all, nothing alien in this Universe.

Everything is known to itself.

Erroneous perception, is a perception that is flawed because it is not fully informed or fully aware.

It is ignorance.

Therefore it follows that the measure of our ignorance is the measure of our prejudice.

Just to show you that it is ‘kid’s business’ – Here is a good example of how it works –