Vedantasara - Verse 204
Sanskrit
रेचकपूरककुम्भकलक्षणाः प्राणनिग्रहोपायाः प्राणायामाः
Swami Nikhilananda's Translation
Control of the vital force (Pranayama) refers to exhalation, inhalation and retention of breath, which are means to the control of the vital force.
Index: Vedantasara

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