sāṃkhyayoga - Verse śloka 65
śloka 65
prasāde sarvaduḥkhānāṃ hānirasyopajāyate |
prasannacetaso hyāśu buddhiḥ paryavatiṣṭhate ||2-65||
Translation
With the arising of tranquility, all sorrows come to an end, and the intellect of the contented man quickly becomes steady.