Force text to overflow in the bottom margin

Question

How can I make, in one particular page, the last two paragraphs overflow into the white space in the bottom margin?

The class is scrartcl. I tried adding to the textheight with \addtolenght{\textheight}{3cm}, but it did not work.

I also tried using \usepackage[bottom=1cm]{geometry}, but this overrides the nice margins calculated by KOMA-Script.

\documentclass[11pt,a4paper,DIV=11,parskip]{scrartcl}
\usepackage{kantlipsum}
\pagestyle{empty}
\begin{document}

\kant[1-4]

This paragraph should be on the first page.

An so should be this one.
\end{document}

Is there a way to say "these paragraphs must remain in this page and are allowed to overflow"?

Answer 1

With \enlargethispage you can make the specific page larger:

\documentclass[11pt,a4paper,DIV=11,parskip]{scrartcl}
\usepackage{kantlipsum}
\pagestyle{empty}
\begin{document}

\kant[1-4]

\enlargethispage{4\baselineskip}
This paragraph should be on the first page.

An so should be this one.

text for next page
\end{document}

Answer 2

You could use a minipage with the content you want to force on the same page:

\documentclass[11pt,a4paper,DIV=11,parskip]{scrartcl}
\usepackage{kantlipsum}
\pagestyle{empty}
\begin{document}

\begin{minipage}{\textwidth}
\kant[1-4]

This paragraph should be on the first page.

An so should be this one.
\end{minipage}
\end{document}