Patanjali Yoga Sutra 2.30

Sanskrit Sutra

अहिंसा-सत्यास्तेय-ब्रह्मचर्यापरिग्रहा यमाः॥३०॥

Swami Vivekananda's translation

Non-killing, truthfulness, non-stealing, continence, and non-receiving are called Yamas.

Chapter link: Yoga Sutra Chapter 2