15
Sand, salt, and a lump of iron are easier to bear than an unintelligent person.
16
A wooden beam fastened into a building won't be loosened by an earthquake. So a heart firmly set on thoughtful counsel won't be afraid at any time.
17
A heart fixed on thoughtful understanding is like an engraved ornament on a smooth wall.
18
A protective barrier set on a high place will never endure against the wind. So a timid heart backed up by a fool's plan will never endure against any fear.
19
Whoever pricks an eye will make tears flow, and whoever pricks a heart reveals its feelings.