Shreemad Bhagwat Geeta Adhyay 6

Yatha Deepo Nivaatsthonengatesopmaasmrita Yogino Yatchittasya Yunjatoyogamatmanha

Tam Vidhyadu Dukh Sahyog Vi Yogam Yog Sanjitam Sanichaiy Yog Tapyog Yogo Nirviny Chetka