A drop in the bucket (Isaiah 40:15).
A thorn in the side (2 Corinthians 12:7).
Forbidden fruit (Genesis 2:17).
Eat, drink, and be merry (Luke 12:19).
The powers that be (Romans 13:1).
The handwriting on the wall (Daniel 5).
Holier than thou (Isaiah 65:5).
Woe is me! (Isaiah 6:5).
Like a lamb to slaughter (Isaiah 53:7).
Do not throw pearls before swine (Matthew 7:6).
Fire and brimstone (Genesis 19:24; Revelation 21:8).
Can a leopard change its spots? (Jeremiah 13:23).
The skin of our teeth (Job 19:20).
A land flowing with milk and honey (Exodus 3:8).
Feet of clay (Daniel 2:33-34).
Fly in the ointment (Ecclesiastes 10:1).
Salt of the earth (Matthew 5:13).
Taking a sabbatical (Leviticus 25:1-7).
Spare the rod, spoil the child (Proverbs 13:24).
By the sweat of your brow (Genesis 3:19).
Better to give than to receive (Acts 20:35).
Let he who is without sin cast the first stone (John 8:7).
Nothing new under the sun (Ecclesiastes 1:9).