Bhagavad Gita 6.23

तं विद्याद् दुःखसंयोगवियोगं योगसंज्ञितम्।
स निश्चयेन योक्तव्यो योगोऽनिर्विण्णचेतसा।।6.23।।

Tam vidyad duhkhasanyogaviyogam yogasangyitam
Sa nishchayena yoktavyo yogonirvinnachetasa

Simple meaning, written by AIKnow that yoga is the separation from union with sorrow. It should be practised with determination and with a mind that does not lose heart.

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