Patanjali Yoga Sutra 3.9

Sanskrit Sutra

व्युत्थान-निरोधसंस्कारयोरभिभव-प्रादुर्भावौ निरोधक्षणचित्तान्वयो निरोध-परिणामः॥९॥

Swami Vivekananda's translation

By the suppression of the disturbed impressions of the mind, and by the rise of impressions of control, the mind, which persists in that moment of control, is said to attain the controlling modifications.

Chapter link: Yoga Sutra Chapter 3