Passage
They have shut up their fat: their mouth hath spoken proudly.
They have shut up their fat: their mouth hath spoken proudly.
Psalms 16:8 From them that resist thy right hand keep me, as the apple of thy eye. Protect me under the shadow of thy wings.
Psalms 16:9 From the face of the wicked who have afflicted me. My enemies have surrounded my soul:
Psalms 16:10 They have shut up their fat: their mouth hath spoken proudly.
Psalms 16:11 They have cast me forth, and now they have surrounded me: they have set their eyes bowing down to the earth.
Psalms 16:12 They have taken me, as a lion prepared for the prey; and as a young lion dwelling in secret places.
The verse centers on "shut", "mouth", "hath", "spoken", and "proudly". It is saying that the verse draws attention to "shut" and "mouth", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 9's "From the face of the wicked who..." into verse 11's "They have cast me forth and now...", so "shut" and "mouth" belong inside that flow. In Psalms context, the local focus is worship, trust, the LORD's kingship, and covenant mercy.
A plain takeaway is to answer the verse's own emphasis on "shut" and "mouth" with trust shaped by these words, not by a vague optimism outside the passage.