\documentclass{article} \usepackage{lua-visual-debug} \listfiles \setlength\textwidth{300pt} \setlength\textheight{10cm} \begin{document} A wonderful serenity has taken possession of my entire soul, like these sweet mornings of spring which I enjoy with my whole heart. I am alone, and feel the charm of existence in this spot, which was created for the bliss of souls like mine. I am so happy, my dear friend, so absorbed in the exquisite sense of mere tranquil existence, that I neglect my talents. \bgroup\fontsize{30}{34}\selectfont \centerline{\TeX} \egroup \vbox{\strut Hello}\kern .5cm\vbox{\strut World} \[ e=mc^2 \] %\includegraphics[width=4cm]{cow} \end{document}