One verse

Srimad Bhagavatam 1.13.13

1.13.13

नन्वप्रियं दुर्विषहं नृणां स्वयमुपस्थितम् । नावेदयत् सकरुणो दु:खितान् द्रष्टुमक्षम: ॥ १३ ॥

nanv apriyam durvisaham nrnam svayam upasthitam navedayat sakaruno duhkhitan drastum aksamah

nanu
as a matter of fact
apriyam
unpalatable
durvisaham
unbearable
nrnam
of humankind
svayam
in its own way
upasthitam
appearance
na
did not
avedayat
expressed
sakarunah
compassionate
duhkhitan
distressed
drastum
to see
aksamah
unable.

Compassionate Mahatma Vidura could not stand to see the Pandavas distressed at any time. Therefore he did not disclose this unpalatable and unbearable incident because calamities come of their own accord.