What distinction is expressed by “lā yastakbirūn” and “lā yastaḥsirūn”?

The Prophet’s Excellence and the Obedience of Angels

• The first denies fatigue; the second denies divine parentage
• The first denies arrogance; the second denies exhaustion
• The first affirms unseen knowledge; the second denies it
• Both exclusively describe the physical composition of angels