They're basically fouling up

Mould all up the wall...

Slain be those who mould from their imaginations.

Assuredly We have created man in goodliest mould,

surely We created man in the best mould

We must immediately mould the cockpit for you.

Verily, We created man of the best stature (mould),

We have indeed created man in the best of mould,

Yes, we need to purify the mould, then ferment it.

It has no bacteria on its surface, no fouling on its surface, no barnacles.

We will stretch out our hands and mould it according to our will.

We then turned the drop of fluid into a clot of blood, then the clot into a small lump of flesh, then the lump into bones, then covered the bones with flesh then developed it in a different mould therefore Most Auspicious is Allah, the Best Creator.

(O Prophet and his followers), turn your face singlemindedly to the true Faith and adhere to the true nature on which Allah has created human beings. The mould fashioned by Allah cannot be altered. That is the True, Straight Faith, although most people do not know.

Stumps thirty or forty years old, at least, will still be sound at the core, though the sapwood has all become vegetable mould, as appears by the scales of the thick bark forming a ring level with the earth four or five inches distant from the heart.