Mahabharata 2.47.2
न विन्दे दृढमात्मानं दृष्ट्वाहं तदरेर्धनम्फलतो भूमितो वापि प्रतिपद्यस्व भारत
na vinde dṛḍhamātmānaṃ dṛṣṭvāhaṃ tadarerdhanamphalato bhūmito vāpi pratipadyasva bhārata
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book