Verse 18

संकल्पेनैव संकल्पं मनसा स्वमनो मुने ।छित्त्वा स्वात्मनि तिष्ठ त्वं किमेतावति दुष्करम्

In plain words

By saṃkalpa itself cut through saṃkalpa, O sage — with the mind cut through your own mind — and abide in your own Self. What is so hard in that?