SB 10.54.49

tasmād ajñāna-jaṁ śokam
 ātma-śoṣa-vimohanam
tattva-jñānena nirhṛtya
 sva-sthā bhava śuci-smite
Synonyms: 
tasmāt — therefore; ajñāna — out of ignorance; jam — born; śokam — the lamentation; ātma — yourself; śoṣa — drying up; vimohanam — and bewildering; tattva — of the truth; jñānena — with knowledge; nirhṛtya — dispelling; sva-sthā — reinstated in your natural mood; bhava — please be; śuci-smite — O you whose smile is pure.
Translation: 
Therefore, with transcendental knowledge dispel the grief that is weakening and confounding your mind. Please resume your natural mood, O princess of the pristine smile.
Purport: 

Lord Balarāma reminds Śrīmatī Rukmiṇī that she is the eternal goddess of fortune performing pastimes with the Lord in this world and should thus give up her so-called grief.