In the last days I will pour out my spirit on your sons and your daughters, Acts 2:17.
In the book of Daniel chapter 7 through the end of the same, Daniel shares his visions of the last days. He could not understand it all and the angel was instructed to seal up some things. I read it and pray. A lot. Here’s a link to Daniel 7 at Biblegateway.com: https://www.biblegateway.com/passage/?search=Daniel%207&version=NIV;KJV