Sanskrit: ब्रह्मात्मनोः शोधितयोरेकभावावगाहिनी । र्विकल्पा च चिन्मात्रा वृत्तिः प्रज्ञेति कथ्यते सुस्थितासौ भवेद्यस्य स्थितप्रज्ञः स उच्यते 
English:  That kind of mental function which cognises only the identity of the Self and Brahman, purified of all adjuncts, which is free from duality, and which concerns itself only with Pure Intelligence, is called illumination. He who has this perfectly steady is called a man of steady illumination.