WHAT DO THESE PHRASES HAVE IN COMMON?

Text Box: "Signs of the times"
"Strait and narrow"
"Sweat of your brow"
"The blind leading the blind"
"The love of money is the root of all evil"
"The truth shall make you free"
"There's nothing new under the sun"
"To everything there is a season"
"Twinkling of an eye"
"Weighed in the balances and found wanting" Text Box: "Eye for an eye"
"Handwriting on the wall"
"How are the mighty fallen"
"Labor of love"
"Letter of the law"
"Many are called, but few are chosen"
"My brother's keeper"
"Out of the mouths of babes"
"Pride goes before a fall"
"Salt of the earth" "A law unto themselves"
"A house divided"
"Apple of my eye"
"At my wit's end"
"By the skin of our teeth"
"Can a leopard change his spots?"
"Don't cast your pearls before swine"
"Drop in the bucket"
"Dust of the earth"
"Eat, drink, and be merry"