I have a non indented paragraph that I want to put a box around it. Do you know how to do it?
\documentclass[openany]{book}
\usepackage{amsbsy}
\usepackage{changepage}
\usepackage{geometry}
\geometry{paperheight=9.8125in,paperwidth=8in, left=.5in,
right=.5in,top=.75in,bottom=.4375in }
\usepackage{fancyhdr}
\fancypagestyle{plain}{\fancyhf{} \fancyhead[EL,OR]{\textbf
{\thepage}}\renewcommand{\headrulewidth}{0pt}}
\pagestyle{plain}
\renewcommand{\rmdefault}{pag}
\usepackage[utf8]{inputenc}
\usepackage[hyphens]{url}
\usepackage[authoryear,round]{natbib}
\newcommand{\titlefontarash}{%
\usefont{OT1}{pag}{b}{n}\fontsize{25}{30} \selectfont
}
\newcommand{\basefontarash}{\usefont{OT1}{pag}{b}{n}\fontsize{18}
{\baselineskip} \selectfont}
\newcommand{\datefontarash}{\usefont{OT1}{pag}{m}{n}\fontsize{12}
{\baselineskip} \selectfont}
\begin{document}
\title{\titlefontarash respect respect respect respect respect respect
respect respect respect respect respect respect respect respect respect
respect respect respect respect respect respect respect respect }
\author{\basefontarash good boy}
\date{\datefontarash April 21, 2019}
{
\maketitle
\let\cleardoublepage\relax
\frontmatter
}
\vspace*{\fill}
\begin{center}
\basefontarash To beauty...
\linebreak
\linebreak
\basefontarash To nice...
\end{center}
\vspace*{\fill}
\tableofcontents
\begin{adjustwidth}{2.25in}{0pt}
\mainmatter
Introduction
\chapter{beauty}
fish (\citet{fox(1994)}) number $\pi +15 \pi + \sqrt{145} \Omega +v\pi +
a^2 +2ab + b^2 + \pi +v\pi +\pi +\pi
+\pi +\pi +v\pi +v\pi +\pi +\pi +\pi +\pi +\pi +\pi +\pi +\pi +$ fish
\textbf{RIVER ${\boldsymbol{\pi+\pi+\pi+\pi+\pi+\pi+\pi+\pi+\pi}}$}
(\citet{chicken(1807)})
following .
\noindent \textbf{I WANT TO PUT THE BOX AROUND HERE}\hspace{.1875in} THE
BOX INCLUDES THIS TOO.
THE BOX INCLUDES THIS TOO. THE BOX INCLUDES THIS TOO.THE BOX INCLUDES THIS
TOO.THE BOX INCLUDES THIS TOO.
THE BOX INCLUDES THIS TOO.THE BOX INCLUDES THIS TOO.THE BOX INCLUDES THIS
TOO.
\section{fox1}
\subsection{fox2}
\subsection{fox3}
\subsection{fox4}
\subsection{fox5}
\subsection{fox6}
\subsection{fox7}
Now we are fox...
Let us see what happens
\section{fish}
fish fox dog catfish fox dog catfish fox dog catfish fox dog catfish fox dog
catvfish fox dog catvfish fox dog catfish fox dog catfish fox dog catfish
fox dog catfish fox dog catfish fox dog catfish fox dog catfish fox dog
catfish fox dog catfish fox dog catfish fox dog catfish fox dog catfish fox
dog catfish fox dog catfish fox dog catfish fox dog catfish fox dog catfish
fox dog catfish fox dog catfish fox dog catfish fox dog catfish fox dog
catfish fox dog cat
\section{fish5}
fish fox dog catfish fox dog catfish fox dog catfish fox dog catfish fox dog
catvvfish fox dog catfish fox dog catfish fox dog catfish fox dog catfish
fox dog cat
\section{dog}
fish fox dog catvvvfish fox dog catfish fox dog catfish fox dog catfish fox
dog catfish fox dog cat
\subsection{dog ${\boldsymbol{\pi}}$}
\section{mouse}
\section{milk}
\chapter{pishi}
\end{adjustwidth}
\begin{thebibliography}{9}
\bibitem[fox(1994)]{fox(1994)}fox, T. L. (1994) \textit{fox.} New York: fox.
\bibitem[chicken(1807)]{chicken(1807)}chicken, Z. L. (1807) \textit{fox.}
Boston: cat fish.
\end{thebibliography}
\end{document}

