\documentclass{article}
\newcommand*{\LeftWidth}{3.0cm}%
\newcommand*{\RightWidth}{\dimexpr\linewidth-\LeftWidth-2em\relax}%
\newcommand{\AlignedBrace}[2]{%
\medskip\par\noindent%
\makebox[\LeftWidth][r]{\textbf{#1}~}%
$\left\{~\parbox{\RightWidth}{\strut\textit{#2}\strut}\right.$%
}%
\begin{document}
\AlignedBrace{Gradation}{%
Industria Virtutem parit: \\
Virtus Laudem excibat: \\
Laus adfert honorem: \\
Honoris socia est, et comes AEmulatio
}
\AlignedBrace{Commutation}{%
Quae de illo dicuntur; \textasciicircum{}dici non\textasciicircum{} \\
dici non possunt: \\
quae dici possunt: \\
non dicuntur:
}
\AlignedBrace{Distribution}{%
consilio ciuitatem inuare: \\
Senatus officium est: \\
Magistratus officium est: \\
opera \& diligentia, consequi senatus Voluntatem
}
\AlignedBrace{Division}{%
Si probus es: \\
non meruisti: \\
sin improbus: \\
non commoVeris:
}
\AlignedBrace{Similitude}{%
Vt hirundines estiuuo tempore, presto sunt \\
frigore pulsae recedunt: \\
Ita falsi amici amici: sereno Vitae tempore, presto sunt \\
Simulatque hyemem fortunae dederint Auolant omnes
}
\AlignedBrace{Exposition}{%
Qui est tam tenui cogitatione praeditus: \\
cuius animus, tantis angustiis invidiae continentur: \\
Qui non hunc hominem, studiosissime Laudet, \\
et sapientissimum iudicet:
Qui pro salute patriae, pro incolumitate ciuitatis \\
pro Repub: fortunis, quamuis magnum atque \\
atrox periculum, studiose subeat?
}
\end{document}
This works very well but I've got a further problem: sometimes, what I type on the left, before the big curly braces, is too long and sticks out of the left margin, what should I do?
This is a follow up to aligning braces in a text (not maths).