Ecclesiastes 7:10

Do not say, "Why were the former days better than these?" For you do not ask wisely about this.

Genesis 6:11-12

The earth was corrupt before God, and the earth was filled with violence.

Judges 6:13

Gideon said to him, "Oh, my lord, if the LORD is with us, why then has all this happened to us? Where are all his wondrous works which our fathers told us of, saying, 'Didn't the LORD bring us up from Egypt?' But now the LORD has cast us off, and delivered us into the hand of Midian."

Psalm 14:2-3

The LORD looked down from heaven on the children of men, to see if there were any who did understand, who did seek after God.

Isaiah 50:1

Thus says the LORD, "Where is the bill of your mother's divorce, with which I have put her away? or which of my creditors is it to whom I have sold you? Behold, for your iniquities were you sold, and for your transgressions was your mother put away.

Jeremiah 44:17-19

But we will certainly perform every word that is gone forth out of our mouth, to burn incense to the queen of heaven, and to pour out drink offerings to her, as we have done, we and our fathers, our kings and our leaders, in the cities of Judah, and in the streets of Jerusalem; for then had we plenty of food, and were well, and saw no evil.

Romans 1:22-32

Professing themselves to be wise, they became fools,

Romans 3:9-19

What then? Are we better than they? No, in no way. For we previously warned both Jews and Greeks, that they are all under sin.

Treasury of Scripture Knowledge

Summary

Say not thou, What is the cause that the former days were better than these? for thou dost not inquire wisely concerning this.

Bible References

What

Judges 6:13
Gideon said to him, "Oh, my lord, if the LORD is with us, why then has all this happened to us? Where are all his wondrous works which our fathers told us of, saying, 'Didn't the LORD bring us up from Egypt?' But now the LORD has cast us off, and delivered us into the hand of Midian."
Jeremiah 44:17
But we will certainly perform every word that is gone forth out of our mouth, to burn incense to the queen of heaven, and to pour out drink offerings to her, as we have done, we and our fathers, our kings and our leaders, in the cities of Judah, and in the streets of Jerusalem; for then had we plenty of food, and were well, and saw no evil.

Wisely

Genesis 6:11
The earth was corrupt before God, and the earth was filled with violence.
Psalm 14:2
The LORD looked down from heaven on the children of men, to see if there were any who did understand, who did seek after God.
Isaiah 50:1
Thus says the LORD, "Where is the bill of your mother's divorce, with which I have put her away? or which of my creditors is it to whom I have sold you? Behold, for your iniquities were you sold, and for your transgressions was your mother put away.
Romans 1:22
Professing themselves to be wise, they became fools,
Romans 3:9
What then? Are we better than they? No, in no way. For we previously warned both Jews and Greeks, that they are all under sin.