Mahabharata 10.2.19

हीनं पुरुषकारेण यदा दैवेन वा पुनःकारणाभ्यामथैताभ्यामुत्थानमफलं भवेत्हीनं पुरुषकारेण कर्म त्विह न सिध्यति

hīnaṃ puruṣakāreṇa yadā daivena vā punaḥkāraṇābhyāmathaitābhyāmutthānamaphalaṃ bhavethīnaṃ puruṣakāreṇa karma tviha na sidhyati

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