Mahabharata 3.62.13

प्राप्तव्यं सुचिरं दुःखं मया नूनमसंशयम्नाप्राप्तकालो म्रियते श्रुतं वृद्धानुशासनम्

prāptavyaṃ suciraṃ duḥkhaṃ mayā nūnamasaṃśayamnāprāptakālo mriyate śrutaṃ vṛddhānuśāsanam

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