One verse

Srimad Bhagavatam 2.1.37

2.1.37

ब्रह्माननं क्षत्रभुजो महात्मा विडूरुरङ्‌घ्रिश्रितकृष्णवर्ण: । नानाभिधाभीज्यगणोपपन्नो द्रव्यात्मक: कर्म वितानयोग: ॥ ३७ ॥

brahmananam ksatra-bhujo mahatma vid urur anghri-srita-krsna-varnah nanabhidhabhijya-ganopapanno dravyatmakah karma vitana-yogah

brahma
the brahmanas
ananam
the face
ksatra
the ksatriyas
bhujah
the arms
mahatma
the virat-purusa
vit
the vaisyas
uruh
the thighs
anghri-srita
under the protection of His feet
krsna-varnah
the sudras
nana
various
abhidha
by names
abhijya-gana
the demigods
upapannah
being overtaken
dravya-atmakah
with feasible goods
karma
activities
vitana-yogah
performances of sacrifice.

The virat-purusa’s face is the brahmanas, His arms are the ksatriyas, His thighs are the vaisyas, and the sudras are under the protection of His feet. All the worshipable demigods are also overtaken by Him, and it is the duty of everyone to perform sacrifices with feasible goods to appease the Lord.