Verse
संन्यासस्तु महाबाहो दुःखमाप्तुमयोगतः ।योगयुक्तो मुनिर्ब्रह्म नचिरेणाधिगच्छति ॥
saṃnyāsastu mahābāho duḥkhamāptumayogataḥyogayukto munirbrahma nacireṇādhigacchati
But renunciation, O mighty-armed, is difficult to attain without Yoga; the sage who has Yoga attains soon to the Brahman.
Gītā 5·6