Verse 5

संकल्पेन हि संकल्पः स्वयमेव प्रजायते ।वर्धते स्वयमेवाशु दुःखाय न सुखाय तु

In plain words

By saṃkalpa, indeed, saṃkalpa is born of itself; of itself it swiftly grows — toward suffering, not toward happiness.