सर्वमाकाशतामेति नित्यमन्तर्मुखस्थितेः ।सर्वथानुपयोग्यत्वाद्भूताकुलमिदं जगत्
In plain words
Everything turns to mere space for one who ever stands with his face turned inward, because this world, thronged as it is with creatures, is in every way of no use to him at all.