Bhagwad Gita
Chapter 18, Verse 36
सुखं त्विदानीं त्रिविधं श्रृणु मे भरतर्षभ।अभ्यासाद्रमते यत्र दुःखान्तं च निगच्छति।।18.36।।
And now, O Arjuna, hear from Me of the threefold pleasure, in which one rejoices through practice and surely comes to the end of pain.