18:36  

सुखं त्विदानीं त्रिविधं शृणु मे भरतर्षभ ।
अभ्यासाद्रमते यत्र दुःखान्तं च निगच्छति ॥१८- ३६॥

Transliteration

sukhaM twidaaniiM triwidhaM shRRiNu me bharatarShabha ।

abhyaasaadramate yatra duHkhaantaM cha nigachChati ॥१८- ३६॥

Translation

Hear from me of the following threefold joys, O bull of the Bharatas,
Where [one] enjoys out of study, and achieves cessation of sorrow.

Translation

And now hear from Me, O Arjuna, about the threefold pleasure. The pleasure one enjoys from (spiritual) practice results in cessation of sorrow.