As the priest tells Oedipus of the troubles they face, he listens intently to assure them that he understands
the situation they are in. He is determined to get to the bottom of this disease ridden curse that the city has gotten into. Oedipus shows empathy expressing that he has "been shedding many tears" for the citizens and "exploring many pathways" to find the cure. Oedipus is a man who will not back down on his word. He declares "I'll do everything I can. With god's help this will all come to light successfully, or else will prove our common ruin," showing that he will do every thing in all his power or it will be the end of him.
Oedipus is proud to be the ruler and wants to protect the people of Thebes. He is confident enough that he will find the killer who killed Laius. Oedipus wants to avenge Laius so he claims if the killer comes out, he will be unhurt and banished, but so he stay mute, "the worst of agonies will wear out his wretched life." This demonstrates how this passionate king can also be harsh when needed to be.
From the beginning of the play to just before talking with Tiresias, Oedipus is fearless of what is to come and will overcome obstacles to help the citizens.