I Became the Strongest Magician by Cultivating Myself Wholeheartedly?

"Question: Can learning magic help you live forever?" "You can retrieve objects from the air!" "You can fly into the sky and into the sea!" "You can control the wind and rain!" "Pay attention to the question! What I'm asking is - can you live forever?" "Um... Can I live for a thousand years?" "You will still die after a thousand years. Therefore, learning magic is not as good as cultivating truth." The class was astonished... "But Professor... You are the most powerful magician in the world..." Mo Tou held the lesson plan, sighed softly, and said: "I don't want to either... I just want to cultivate, I just want to become an immortal!"