Ecclesiastes 10:3
Even when a fool walks along the road, his [common] sense and good judgment fail him and he demonstrates to everyone that he is a fool.
Proverbs 13:16
Every prudent and self-disciplined man acts with knowledge,
But a [closed-minded] fool [who refuses to learn] displays his foolishness [for all to see].
Proverbs 18:2
A [closed-minded] fool does not delight in understanding,
But only in revealing his personal opinions [unwittingly displaying his self-indulgence and his stupidity].
Proverbs 18:6
A fool’s lips bring contention and strife,
And his mouth invites a beating.
Ecclesiastes 5:3
For the dream comes through much effort, and the voice of the fool through many words.
1 Peter 4:4
In [connection with] all this, they [the unbelievers] are resentful and surprised that you do not [think like them, value their values and] run [hand in hand] with them into the same excesses of dissipation and immoral freedom, and they criticize and abuse and ridicule you and make fun of your values.
Treasury of Scripture Knowledge
Summary
General references
Bible References
And he
Every prudent and self-disciplined man acts with knowledge,
But a [closed-minded] fool [who refuses to learn] displays his foolishness [for all to see].
A [closed-minded] fool does not delight in understanding,
But only in revealing his personal opinions [unwittingly displaying his self-indulgence and his stupidity].
General references
Wisdom rests [silently] in the heart of one who has understanding,
But what is in the heart of [shortsighted] fools is made known.
Even a [callous, arrogant] fool, when he keeps silent, is considered wise;
When he closes his lips he is regarded as sensible (prudent, discreet) and a man of understanding.