Mahabharata 12.138.28

देशं कालं समासाद्य विक्रमेत विचक्षणःदेशकालाभ्यतीतो हि विक्रमो निष्फलो भवेत्

deśaṃ kālaṃ samāsādya vikrameta vicakṣaṇaḥdeśakālābhyatīto hi vikramo niṣphalo bhavet

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