What warning did Cardinal Robert Bellarmine issue to Galileo in 1616?

Answer

He could discuss heliocentrism as a hypothesis but not as established fact.

The powerful theologian Cardinal Robert Bellarmine warned Galileo that he was permitted to discuss the Copernican theory only as a hypothesis, not as established fact, prior to the major conflict.

What warning did Cardinal Robert Bellarmine issue to Galileo in 1616?
GalileoastronomytheoryConflictheliocentrism