Verse 5

नादत्तमप्युपादत्ते गृहीतमपि पाणिना ।अन्तर्मुखतयोदात्तरूपया समया धिया

In plain words

By a mind turned inward, of a lofty and even cast, he does not take up as his own even what he has taken -- even what is held in his very hand.