Mahabharata 8.22.8

यत्तो दृढश्च दक्षश्च धृतिमानर्जुनः सदास बोधयति चाप्येनं प्राप्तकालमधोक्षजः

yatto dṛḍhaśca dakṣaśca dhṛtimānarjunaḥ sadāsa bodhayati cāpyenaṃ prāptakālamadhokṣajaḥ

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