a sign: This expression, says Michaelis, alludes to the custom of the Orientals, of burning in their right hand all kinds of marks with the ashes of henna, which gives an indelible colour; and this is done even to this day. They were likewise accustomed to write all kinds of sayings, and frequently superstitious words, on slips or pieces of linen, which they wore as ornaments on their foreheads. Exodus 13:16, Exodus 12:14; Numbers 15:39; Deuteronomy 6:6, Deuteronomy 6:8, Deuteronomy 11:18-19; Proverbs 1:9, Proverbs 3:21, Proverbs 6:20-23; Proverbs 7:23; Song of Solomon 8:6; Isaiah 49:16; Jeremiah 22:24; Matthew 23:5
may be: Deuteronomy 30:14; Joshua 1:8; Isaiah 59:21; Romans 10:8
strong hand: Exodus 13:3, Exodus 6:1-30; Joshua 1:9; Nehemiah 1:10; Psalms 89:13; Isaiah 27:1, Isaiah 40:10, Isaiah 51:9; Joel 2:11; Revelation 18:8