Yes, spiritual discipline is necessary.

A saint is committed to their cause. If someone's actions don't align with their words, they will become unhappy. A saint and a devotee are consistent in their words and actions. They mean what they say.

God is always trying to live with humans and teach them in order to bring them closer to Himself.

When the figure of clay was dry, God breathed the breath of life into its nostrils, and ordered the angels to submit to the man he had created.