The ravishment of Rukmini (his sister) by the wise Vasudeva; and having resolved "I shall not return without slaying Janardana,"
रुक्मिण्या हरणं वीरो वासुदेवेन धीमता। कृत्वा प्रतिज्ञा नाहत्वा निवर्तिष्ये जनार्दनम्॥