Sanskrit: निर्विकारतया वृत्त्या ब्रह्माकारतया पुनः।  वृत्तिविस्मरणं सम्यक्समाधिर्ज्ञानसंज्ञकः।   
English:  The complete forgetfulness of all thought by first making it changeless and then identifying it with Brahman is called Samadhi known also as knowledge.