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प्रसादे सर्वदुःखानां हानिरस्योपजायते ।
प्रसन्नचेतसो ह्याशु बुद्धिः पर्यवतिष्ठते ॥२- ६५॥

prasaade sarwaduHkhaanaaM haanirasyopajaayate ।

prasannachetaso hyaashu buddhiH paryawatiShThate ॥२- ६५॥

Source: Automatic ITRANS Transliteration

From this grace, loss of all sorrows occurs.
Happy-minded, understanding quickly becomes firm.

Source: Milind S. Pandit

All sorrows are destroyed upon attainment of tranquillity. The intellect of such a tranquil person soon becomes completely steady.

Source: The Bhagavad-Gita: The Sacred Song

For one who is so situated in the Divine consciousness, the threefold miseries of material existence exist no longer; in such a happy state, one's intelligence soon becomes steady.

Source: Bhagavad Gita As It Is