Proverbs 15:28
A heart of righteousness will ponder the answer, but a mouth of wickedness will pour out deceit.
1 Peter 3:15
but set Christ apart [as] Lord in your hearts, always ready to [make] a defense to anyone who asks you [for] an accounting concerning the hope [that is] in you.
Proverbs 15:2
The tongue of the wise will dispense knowledge, but the mouth of fools will pour out folly.
1 Kings 3:23-28
Then the king said, "This one [is] saying, 'This [is] my son, the living one, but your son [is] the dead one,' and the other one keeps saying, 'But no! Your son [is] the dead one, and my son [is] living!'"
Proverbs 10:19
In many words, transgression is not lacking, but he who restrains his lips is prudent.
Proverbs 13:16
Anyone who is clever will act with intelligence, but the fool will display folly.
Proverbs 16:23
The heart of the wise will make his mouth judicious, and upon his lips, it will add persuasiveness.
Proverbs 29:11
A fool gives all his breath, but [the] wise holds back in quiet.
Proverbs 29:20
You see a man who is hasty in his words: [there is more] hope for a fool than him.
Ecclesiastes 5:2
Do not be rash with your mouth, and do not let your heart be quick to utter a word before God. For God is in heaven, and you [are] on earth; therefore, let your words be few.
Ecclesiastes 5:6
Do not let your mouth lead your flesh into sin, and do not tell the messenger that it [was] a mistake. Why anger God at your words, so that he destroys the work of your hands?
Ecclesiastes 10:12-14
The wise man [wins] favor by the words of his mouth, but the fool is devoured by his own lips.
Matthew 12:34
Offspring of vipers! How are you able to say good things [when you] are evil? For from the abundance of the heart the mouth speaks.
Titus 1:10-11
For there are many rebellious [people], idle talkers and deceivers, especially those of the circumcision,
James 3:6-8
And the tongue [is] a fire! The world of unrighteousness, the tongue, is set among our members, defiling the whole body and setting on fire {the course of human existence}, being set on fire by hell.
2 Peter 2:18
{For by speaking high-sounding but empty words}, they entice with desires of the flesh [and] with licentiousness those who are scarcely escaping from those who live in error,