Mahabharata 8.27.24
कालकार्यं न जानीषे कालपक्वोऽस्यसंशयम्बह्वबद्धमकर्णीयं को हि ब्रूयाज्जिजीविषुः
kālakāryaṃ na jānīṣe kālapakvo'syasaṃśayambahvabaddhamakarṇīyaṃ ko hi brūyājjijīviṣuḥ
Our plain-language meaning of this verse is waiting for scholar review.