For Kemetics, Ma’at is more a concept than a Goddess, though, clearly she was personified. She represents the concepts of truth, justice, harmony, balance, cosmological order, reciprocity and propriety. An ostrich feather is her symbol that her principles represent.

From here:

The students aim in ancient Kemet (Egypt) was for a person to become “One with God.” The path to the development of god-like qualities was through the development of virtues. These virtues were sought by the Kemites (Egyptians) to become one with Maát (the cosmic order).

Control of thoughts;
Control of actions;
Devotion of purpose;
Have faith in the ability of your teacher to teach you the truth;
Have faith in yourself to assimilate the truth;
Have faith in yourself to wield the truth;
Be free from resentment under the experience of persecution;
Be free from resentment under the experience of wrong;
Cultivate the ability to distinguish between right and wrong; and
Cultivate the ability to distinguish between the real and the unreal