"O my Lord! Widen for me my bossom (grant me self-confidence, contentment, and boldness); And ease my task for me; And make loose the knot (i.e. the defect restricting speech) from my tongue; So they may understand what I say"

Note: Prayer made by Musa (Moses) (may the peace and blessings of Allah be upon him) when he was commanded to go to Pharaoh in Egypt.

rabbish-raḥ lee ṣadree wa yassir lee amree waḥlul ‛uqdatan min lisaanee yafqahoo qawlee