al-Haakim said:

((Twice I travelled to (visit) at-Toosee in Toos, and I asked him when he would be free from compiling these many fataawa? So he said: I have divided the night into three (parts): A third in which I compile (fataawa), a third in which I sleep, and a third in which I read the Qur.aan.))

Siyar A'laam an-Nubalaa. - Volume 15, Page 491

Ref: Fatwa-Online

al-‘Allaamah Muhammad ibn al-Wazeer al-Yamaanee said:

"Severity while sticking to the truth and advice is more beloved to him than flattery with vile statements. And your friend is the one who tells you the truth, not the one who tells you that you are telling the truth."

Ref: Do not Forsake the Truth Fearing the Created