Mahabharata 5.137.3

भीष्म उवाच · bhīṣma uvāca

शुश्रूषुमनसूयं च ब्रह्मण्यं सत्यसंगरम्प्रतियोत्स्यामहे पार्थमतो दुःखतरं नु किम्

śuśrūṣumanasūyaṃ ca brahmaṇyaṃ satyasaṃgarampratiyotsyāmahe pārthamato duḥkhataraṃ nu kim

Our plain-language meaning of this verse is waiting for scholar review.