Is the aqeedah that “the lord is a lord in his descent and a slave is a slave in rising” right? What does it mean?

Ibn Arabi said, “العبد رب و الرب عبد” or “al-`abd-u rabb-un wa-r-rabb-u `abd-un” (the slave is the lord and the lord is the slave).” Sufis claim that such statements were always considered to be the most elevated exposition of mystical thought in Islam, and therefore unsuitable for the untrained mind. Ibn Arabi has also said, “الرب رب في التنزل والعبد عبد في الترقى” or “ar-rabb-u rabb-un f? t-tanazzul-i wa-l-`abd-u `abd-un f? t-taraqq?” (The lord is a lord in his descent [to his creations] and a slave is a slave in rising). in Fusoos Al-Hikam” and “Al-Ahkaam. Is such aqeedah right?IF yes what does it mean, please explain it clearly.