Mahabharata 12.104.25

यदैवैकेन शक्येत गुह्यं कर्तुं तदाचरेत्यच्छन्ति सचिवा गुह्यं मिथो विद्रावयन्त्यपि

yadaivaikena śakyeta guhyaṃ kartuṃ tadācaretyacchanti sacivā guhyaṃ mitho vidrāvayantyapi

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