The subject of the book Seerat-ul-Abdal is about the signs of pious persons. Mirza Ghulam Ahmad probably chose this subject to make it easier to pick out Arabic words from the classic Arabic dictionary, Lisaan Al-Arab. Many of the words are very uncommon and arcane.
They are like X and they are not like Y,
where X is any arcane word from Lisaan Al-Arab that means something good, and Y is any equally strange word from Lisaan Al-Arab that means something ugly or bad.
Here is a page made from a sequence of words beginning with 'khaa':
Many of the sentences do not transfer any complete or valid idea, and use words from one part of the dictionary:
The Muallaqat or 'Hanging Ones' are classic Arabic poems. Labeed bin Rabeea is a renowned ancient Arabic poet whose poems are well-known.
Verses from the Labeed's poem in the 'revelations' (God spoke to Mirza) of Mirza Ghulam Ahmad (Tadhkirah):