Patanjali Yoga Sutra 1.31

Sanskrit Sutra

दुःख-दौर्मनस्याङ्गमेजयत्व-श्वासप्रश्वासा विक्षेपसहभुवः॥३१॥

Swami Vivekananda's translation

Grief, mental distress, tremor of the body, irregular breathing, accompany non-retention of concentration.

Chapter link: Yoga Sutra Chapter 1