מדרש אויף תהילים 13:3

How long will I give counsel? This is what the scripture says (Esther 3:1): "After these things did King Ahasuerus promote Haman." Rabbi Yaakov said: How far did he promote him? He elevated him above all the princes, up to a height of fifty cubits. This is greater than all the other princes, up to Dihemonia, at a height of fifty cubits. The numerical value of the letter Kaf (20) plus the letter Mem (40) is thirty.

"How long will I have to wait? Even though I am subservient to the kingdoms of Torah and mitzvot that you have given me, I perform them with my soul. I do them with all my heart. I observe the Sabbath and its restrictions. Moreover, I have resolved in my heart to fulfill your Torah, because the nations of the world decree decrees against me to abolish your Torah and your divinity, and I give my life for them.

(Numb. 14:11:) THEN THE LORD SAID UNTO MOSES: HOW LONG ('ad-'anah) WILL [THIS PEOPLE] SCORN ME, [AND HOW LONG ('ad-'anah) WILL THEY HAVE NO FAITH IN ME]? The Holy One said: I have uttered two cries (of 'AD-'ANAH) because of you.⁵⁵Tanh., Numb. 4:13; Numb. R. 16:22, cont.; see below, Numb. 4a:14. Your end shall be to cry out four times in subjection to empires. (Ps. 13:2–3[1–2]:) HOW LONG ('ad-'anah), O LORD? WILL YOU FORGET ME FOREVER? HOW LONG ('ad'-'anah){, O LORD,} WILL YOU HIDE YOUR FACE FROM ME? HOW LONG ('ad-'anah) SHALL I TAKE COUNSEL IN MY SOUL WITH GRIEF IN MY HEART ALL DAY? HOW LONG ('ad-'anah) WILL MY ENEMY BE EXALTED OVER ME? (Numb. 14:27:) I CRIED OUT: HOW LONG ('ad-matay) SHALL THIS EVIL CONGREGATION <BE MURMURING AGAINST ME>? Your end shall be to cry out (in Ps. 6:4[3]): MY SOUL ALSO IS GREATLY DISMAYED; AND YOU, O LORD, HOW LONG ('ad-matay)?