God uses flawed individuals to bring about spiritual awakenings, as seen in the story of Jonah, who was called to preach to Nineveh despite his initial reluctance. The gospel message is clear and definite, and it has the power to bring people to repentance and salvation. However, some people, even those who have known the Lord for a long time, can become stagnant and resistant to God's message, just like Jonah was when he was upset that God forgave the people of Nineveh.
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