It means to leave everything outside. Before you begin to walk, leave
the material world
(ad-dunya) and leave everything outside that tries to stop you
from walking on the Path. Maybe it is your mother or your father or your work
or you place in society or your money, anything. When you clean all these things
from your mind and your body and you follow through every Order from Allah for
you, then you clean yourself. This is what God wants.
Allah
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