māyā-śaktir duratyayā

yuvam-both of you; tu-indeed; visvasya-of the universe; vibhu-the proprietors; jagatah-of the universe; karanam-the cause; param-supreme; iyam-this; hi-certainly; prakrtih-energy; suksma-difficult to understand; maya-saktih-the internal energy; duratyaya-difficult to overcome.