Psalms 49:4

² Both low and high, rich and poor, together.

³ My mouth shall speak of wisdom; and the meditation of my heart shall be of understanding.

I will incline mine ear to a parable: I will open my dark saying upon the harp.

⁵ Wherefore should I fear in the days of evil, when the iniquity of my heels shall compass me about?

⁶ They that trust in their wealth, and boast themselves in the multitude of their riches;

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: I will incline my ear to a proverb; I will express my riddle with the harp:
KJV: I will incline mine ear to a parable: I will open my dark saying upon the harp.
WEB: I will incline my ear to a proverb. I will solve my riddle on the harp.
ASV: I will incline mine ear to a parable: I will open my dark saying upon the harp.
DARBY: I will incline mine ear to a parable, I will open my riddle upon the harp.
BLB: I will incline my ear to a proverb; I will open up my riddle with the harp.

ÅB: Jeg vil bøye mitt øre til visdomsord, jeg vil fremføre min gåtefulle tale til citaren.
OTB: Jeg vil lytte til et ordspråk;
Jeg vil avsløre min gåte med harpen.
B1930: Jeg vil bøie mitt øre til tankesprog, jeg vil fremføre min gåtefulle tale til citaren.

Psalms 78:2
I will open my mouth in a parable: I will utter dark sayings of old:
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Matthew 13:35
That it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables; I will utter things which have been kept secret from the foundation of the world.
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Numbers 12:8
With him will I speak mouth to mouth, even apparently, and not in dark speeches; and the similitude of the LORD shall he behold: wherefore then were ye not afraid to speak against my servant Moses?
Read in context
Numbers 23:7
And he took up his parable, and said, Balak the king of Moab hath brought me from Aram, out of the mountains of the east, saying, Come, curse me Jacob, and come, defy Israel.
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2 Corinthians 3:12
Seeing then that we have such hope, we use great plainness of speech:
Read in context
Matthew 13:11–15
He answered and said unto them, Because it is given unto you to know the mysteries of the kingdom of heaven, but to them it is not given.
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Luke 12:3
Therefore whatsoever ye have spoken in darkness shall be heard in the light; and that which ye have spoken in the ear in closets shall be proclaimed upon the housetops.
Read in context
Proverbs 1:6
To understand a proverb, and the interpretation; the words of the wise, and their dark sayings.
Read in context