Bhagavad Gita · Chapter 5: Renunciation in Action

Bhagavad Gita 5.23

śaknotīhaiva yaḥ soḍhuṃ prākśarīravimokṣaṇāt | kāmakrodhodbhavaṃ vegaṃ sa yuktaḥ sa sukhī naraḥ ||

One who is able, here in this life, before leaving the body, to withstand the surge that rises from desire and anger is disciplined, and is a happy person.

Modern context

Desire and anger come as a surge, a physical rush that demands to be acted on at once. The verse asks for something specific and learnable: the capacity to bear that surge without obeying it. The wave rises, peaks and falls away if it is given no deed to ride on. The time for this training is now, 'before leaving the body', while there are still chances to practise. The verse calls the person who can do it happy as well as disciplined, since they are no longer pushed about by every impulse.