Bhagavad Gita 6.27

प्रशान्तमनसं ह्येनं योगिनं सुखमुत्तमम्।उपैति शान्तरजसं ब्रह्मभूतमकल्मषम् ॥६.२७॥

praśāntamanasaṃ hyenaṃ yoginaṃ sukhamuttamamupaiti śāntarajasaṃ brahmabhūtamakalmaṣam

Supreme Bliss indeed comes to this Yogi whose mind is made peaceful, whose passion is quelled, who has become Brahman, and who is free from sin.

गीता