"... Let us return to Sarah, who may be described as “theologically skilled”. The first blessing has its closest templates within the Tanakh, in Psalm 119 / 118:12 and in 1 Chronicles 29:10 which have their equivalent in the Hebrew formula being used and extended up to present time in the Jewish prayers on different occasions ... If we compare those occurrences mentioned above to our text in the book of Tobit, Sarah adds in GI after “Blessed are you, o Lord” only ὁ θεός μου (“my God”), so she makes the address more personal as she speaks to her God. GII varies with (“Blessed are you, merciful God!”). This way Sarah addresses God as a “compassionate” one ... Usually the Hebrew (“gracious, friendly”) is the base for the Greek (“pitiful, merciful, compassionate”; 12x: Exodus 22:26; 34:6; 2 Chronicles 30:9; Nehemiah 9:17, 31; Psalm 86:15; 103:8; 111:4; 112:4; 116:5; Joel 2:13; Jonah 4:2), 3x (Proverbs 11:17; 20:6; 28:22) and only once (Jeremiah 3:12) or (Psalm 145:8) ... With this phrase she expresses her positive attitude towards God, who sympathizes with needy people and on whom she sets her hope ..."