Tafsir of Maryam 19:4

قال رب إني وهن العظم مني

He said: "My Lord! Indeed my bones have grown feeble...'' meaning, "I have become weak and feeble in strength.''

واشتعل الرأس شيبا

and gray hair has Ashta`al on my head, means the gray hair has burned into the black hair. The intent is to inform of weakness and old age, and its external and internal traces. Concerning Allah's statement,

ولم أكن بدعايك رب شقيا

and I have never been unblessed in my invocation to You, O my Lord! This means, "I have not experienced from You except that You would respond to my supplication and that You would never refuse me in whatever I ask of You.'' Concerning His statement,