Ecclesiastes 10:14

The fool {talks too much}, for no one knows what will be. Who can tell anyone what will happen {in the future}?

Proverbs 15:2

The tongue of the wise will dispense knowledge, but the mouth of fools will pour out folly.

Ecclesiastes 3:22

So I concluded that there is nothing better for a person than to enjoy [the fruit of] his labor, for this is his lot in life. {For no one knows what will happen in the future.}

Ecclesiastes 5:3

For a dream comes with many cares, and the voice of a fool with many words.

Ecclesiastes 6:12

For who knows what [is] good for a man in his life during the few days of his fleeting life, which are fleeting as a shadow? For who can tell anyone what will happen {in the future} under the sun?

Ecclesiastes 8:7

Surely no one knows what will be, so who can tell anyone what will happen?

Job 34:37

for he adds transgression to his sin; he claps hands among us, and he multiplies his words against God.'"

Job 35:16

{therefore} Job opens his mouth in empty talk-- without knowledge he multiplies words."

Proverbs 10:19

In many words, transgression is not lacking, but he who restrains his lips is prudent.

James 4:13-14

Come now, you who say, "Today or tomorrow we will travel to such and such a city and spend a year there, and carry on business and make a profit,"

Treasury of Scripture Knowledge

Summary

A fool also is full of words: a man cannot tell what shall be; and what shall be after him, who can tell him?

Is full of words

General references

Bible References

Fool

Ecclesiastes 5:3
For a dream comes with many cares, and the voice of a fool with many words.
Proverbs 10:19
In many words, transgression is not lacking, but he who restrains his lips is prudent.
Proverbs 15:2
The tongue of the wise will dispense knowledge, but the mouth of fools will pour out folly.

Is full of words

Job 34:37
for he adds transgression to his sin; he claps hands among us, and he multiplies his words against God.'"
Job 35:16
{therefore} Job opens his mouth in empty talk-- without knowledge he multiplies words."

A man

Ecclesiastes 3:22
So I concluded that there is nothing better for a person than to enjoy [the fruit of] his labor, for this is his lot in life. {For no one knows what will happen in the future.}
Ecclesiastes 6:12
For who knows what [is] good for a man in his life during the few days of his fleeting life, which are fleeting as a shadow? For who can tell anyone what will happen {in the future} under the sun?
Ecclesiastes 8:7
Surely no one knows what will be, so who can tell anyone what will happen?
James 4:13
Come now, you who say, "Today or tomorrow we will travel to such and such a city and spend a year there, and carry on business and make a profit,"

General references

Proverbs 17:28
Even a fool who keeps silent {shall be considered wise}; he who closes his lips [is] intelligent.