Okay. I want to write 1000 things in this book. The only problem: I can't think of anything to write. Like I have central ideas but plots...yeah I got nothing so I just need some help with these please

Writer's Block
Okay. I want to write 1000 things in this book. The only problem: I can't think of anything to write. Like I have central ideas but plots...yeah I got nothing so I just need some help with these please