\documentclass[a4paper]{article}
\usepackage{lmodern}
\usepackage{amssymb,amsmath}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{hyperref}
\begin{document}
\thispagestyle{empty}

{\tiny         If}
{\footnotesize you}
{\small        can}
{\normalsize   read}
{\large        this,}
{\Large        you}
{\LARGE        don’t}
{\huge         need}
{\Huge         glasses.}

\end{document}
