eka-dvi-tri-catus-pādo
bahu-pādas tathāpadaḥ
bahvyaḥ santi puraḥ sṛṣṭās
tāsāṁ me pauruṣī priyā
eka - one; dvi - two; tri - three; catuḥ - four; pādaḥ - having legs; bahu-pādaḥ - having many legs; tathā - also; apadaḥ - having no legs; bahvyaḥ - many; santi - there are; puraḥ - different kinds of bodies; sṛṣṭāḥ - created; tāsām - of them; me - to Me; pauruṣī - the human form; priyā - is most dear.
The ultimate purpose of material creation is to facilitate the return of the conditioned souls back home, back to Godhead. Since this redemption of the conditioned souls is especially possible in the human form of life, naturally this form is particularly dear to the compassionate Personality of Godhead.