Ecclesiastes 7:10

Never say, What is the cause that the former days were better than these? for thou dost not enquire wisely concerning this.

Genesis 6:11-12

The earth corrupted itself before God, and the earth filled itself with violence.

Judges 6:13

And Gideon said unto him, Oh my Lord, if the LORD is with us, why then has all this befallen us? And where are all his miracles which our fathers told us of, saying, Did not the LORD bring us up from Egypt? But now the LORD has forsaken us and delivered us into the hands of the Midianites.

Psalm 14:2-3

The LORD looked down from heaven upon the children of men to see if there were any that did understand and seek God.

Isaiah 50:1

Thus saith the LORD, Where is the bill of your mother's divorce, whom I have put away? or which of my creditors is it to whom I have sold you? Behold, for your iniquities ye are sold, and for your rebellions was your mother put away,

Jeremiah 44:17-19

But we will certainly do whatsoever thing goes forth out of our own mouth to burn incense unto the queen of heaven and to pour out drink offerings unto her as we have done, we, and our fathers, our kings, and our princes, in the cities of Judah, and in the streets of Jerusalem; for then had we plenty of victuals, 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 wise; for we have before proved both Jews and Gentiles 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
And Gideon said unto him, Oh my Lord, if the LORD is with us, why then has all this befallen us? And where are all his miracles which our fathers told us of, saying, Did not the LORD bring us up from Egypt? But now the LORD has forsaken us and delivered us into the hands of the Midianites.
Jeremiah 44:17
But we will certainly do whatsoever thing goes forth out of our own mouth to burn incense unto the queen of heaven and to pour out drink offerings unto her as we have done, we, and our fathers, our kings, and our princes, in the cities of Judah, and in the streets of Jerusalem; for then had we plenty of victuals, and were well, and saw no evil.

Wisely

Genesis 6:11
The earth corrupted itself before God, and the earth filled itself with violence.
Psalm 14:2
The LORD looked down from heaven upon the children of men to see if there were any that did understand and seek God.
Isaiah 50:1
Thus saith the LORD, Where is the bill of your mother's divorce, whom I have put away? or which of my creditors is it to whom I have sold you? Behold, for your iniquities ye are sold, and for your rebellions 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 wise; for we have before proved both Jews and Gentiles that they are all under sin;