Similar to 知られていると知られていることがある

We begin bombing in five minutes

Ignorance

Willful ignorance

Just-world fallacy

Confabulation

Three poisons

Pluralistic ignorance

Hanlon's razor

Protagoras (dialogue)

Agnotology

Argument from ignorance

I know that I know nothing

Avidyā (Buddhism)

Begging the question

Ignoramus et ignorabimus

Ambiguity

Colorless green ideas sleep furiously

James while John had had had had had had had had had had had a better effect on the teacher

That that is is that that is not is not is that it it is

Word-sense disambiguation

Lion-Eating Poet in the Stone Den

Soramimi