Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 39
Sanskrit:
निहते रुक्मिणि श्याले नाब्रवीत् साध्वसाधु वा ।रक्मिणीबलयो राजन् स्नेहभङ्गभयाद्धरि: ॥ ३९ ॥
ITRANS:
nihate rukmiṇi śyālenābravīt sādhv asādhu vārakmiṇī-balayo rājansneha-bhaṅga-bhayād dhariḥ
Translation:
When His brother-in-law Rukmī was slain, Lord Kṛṣṇa neither applauded nor protested, O King, for He feared jeopardizing His affectionate ties with either Rukmiṇī or Balarāma.