Chapter III Sloka 38

xUmenaiìyte viûyRwadzaeR mlen c,
ywaeLbenav&tae g-RStwa tenedmav&tm!.

dh¨men˜vriyate vahnir
yath˜darþo malena ca | 
yatholben˜v®to garbhas
tath˜ tenedam˜v®tam ( 3|38)||

As fire is enveloped by smoke, as a mirror by dust, as an embryo by the womb, so this (wisdom) is enveloped by that (desire/anger).