Mahabharata 5.151.20

यदर्थं वनवासश्च प्राप्तं दुःखं च यन्मयासोऽयमस्मानुपैत्येव परोऽनर्थः प्रयत्नतः

yadarthaṃ vanavāsaśca prāptaṃ duḥkhaṃ ca yanmayāso'yamasmānupaityeva paro'narthaḥ prayatnataḥ

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