In Oedipus Rex, Why does Teiresias does not wish to tell Oedipus what he knows is true?

is one of a series
ofcalled upon byto reveal information about the person responsible for the cause of the plagues
troubling Thebes, and he, like others, is distinguished by a profound reluctance to reveal the
information that he has. In his silence, Teiresias forces us to confront the somewhat troubling
nature of the truth:

How dreadful knowledge of the truth
can be

When there's no help in truth! I knew this well.

But made myself forget. I should not have come.

In a sense, we can admire Teiresias for not wishing to divulge what he knows - as he says, if he
did, the knowledge would no longer be his "misery," it would be the "misery"
of Oedipus and of Thebes. It is clear that he wishes to be silent to spare Oedipus from the
terrible fate of self-knowledge that he knows would completely destroy him and his family. You
might want to...