See the message? Yes? Good.
If you didn’t see the message, then you’re not the correct Timothy Stewart Sedgewick, or this isn’t the right time for you to read this.
Close the book, shut off the reader, close the browser. However it is you’re looking at this page, don’t bother.
Come back when you see it.
If you’re not named Timothy Stewart Sedgewick, or if you don’t otherwise meet the description, then don’t feel bad about it. You’re free to keep reading along. You may find it entertaining to see what Timothy is up to, or the other Timothy if you share that name. You may even know him. Or not. It’s totally your choice.