Michael J. Fox is ever the optimist.

On Tuesday, the “Back to the Future” star appeared onstage at SXSW for a Q&a about the documentary “Still: A Michael J. Fox Movie”.

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During the conversation, he shared his feelings about having lived with Parkinson’s disease for over three decades.

“Parkinson’s sucks, but it’s a great life, so thank you for it,” he said.

Pity is a benign form of abuse. I can feel sorry for myself, but I don’t have time for that,” Fox continued. “There is stuff to be learned from this, so let’s do that and move on.”

He added, “My fans have basically given me my life. I wanted to give these people who have done so much for me my time and gratitude.