In his 2017 book, “The Inevitable: Understanding the 12 Technological Forces That Will Shape Our Future”, Kevin Kelly includes a chapter regarding the importance of questions. He defines what makes a quality question in the following 14 statements.

A good question is worth a million good answers.
A good question is not concerned with a correct answer.
A good question cannot be answered immediately.
A good question challenges existing answers.
A good question is one you badly want answered once you hear it, but had no inkling you cared before it was asked.
A good question creates new territory of thinking.
A good question reframes its own answers.
A good question is the seed of innovation in science, technology, art, politics, and business.
A good question is a probe, a what-if scenario.
A good question skirts on the edge of what is known and not known, neither silly nor obvious.
A good question cannot be predicted.
A good question will be the sign of an educated mind.
A good question is one that generates many other good questions.
A good question may be the last job a machine will learn to do.
A good question is what humans are for.