BT Šab 30a(11) :אן היא חכמתך ואן היא סכלתנותך‏ : where is your wisdom, and where is your intelligence?
See the entire entry for ˀān, hān adv./conj. where, wherever

BT Šab 30a(11) :ואן היא סכלתנותך‏ : so where is your intelligence?
See the entire entry for suḵləṯānū, suḵləṯānūṯā n.f. intelligence