Isaiah 42:9 (NKJV)

'Behold, the former things have come to pass, And new things I declare; Before they spring forth I tell you of them.”'

9 See, the former things have taken place,

Isaiah 42:9

1 Corinthians 8:1(NLT)

Now regarding your question about food that has been offered to idols. Yes, we know that “we all have knowledge” about this issue. But while knowledge makes us feel important, it is love that strengthens the church.

17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the Lord, and their righteousness is of me, saith the Lord.

Isaiah 54:17

14 Therefore, angels are only servants—spirits sent to care for people who will inherit salvation.

Hebrews 1:14

Now when they saw the boldness of Peter and John, and perceived that they were uneducated and untrained men, they marveled. And they realized that they had been with Jesus.