Verse 5

असदप्युत्थितारम्भमवस्तुमयमाततम् ।संसारसंस्थानमिदमेवमाकथितं मया

In plain words

Though unreal, yet with a beginning that has risen up; made wholly of the unsubstantial, and far outspread — such, just so, is this structure of saṃsāra that I have set out for you.