What in the world is a "Yeitzer", anyhow?! In the ViYehi Ratzon paragraph at the end of Birchos HaShachar (the morning blessings), we express our real desire to make good decisions and take the right actions throughout the day, and pray that Hashem will assist us. ויהי רצון מלפניך…שתרגילנו בתורתך…הגומל חסדים טובים לעמו ישראל