Shiva Purana
एवमभ्यसतश्चारं योगिनो योगमुत्तमम् ॥ तदन्तराया नश्यंति विघ्नाः सर्वे शनैःशनैः ॥ ६७ ॥
All his obstacles and hindrances perish gradually if the Yogin practises the excellent Yoga.
english translation
evamabhyasatazcAraM yogino yogamuttamam ॥ tadantarAyA nazyaMti vighnAH sarve zanaiHzanaiH ॥ 67 ॥
hk transliteration by Sanscript