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\begin{frame}
  \frametitle{How to pass this course?}

  \begin{goal}{How to pass this course?}
  \begin{itemize}
  \medskip\pause
    \item You must acquire some abilities.
      \begin{itemize}
  \medskip
        \item can only be learned by doing
  \medskip
        \item work actively on the homework assignments
      \end{itemize}
  \bigskip\pause
    \item You must acquire basic knowledge and reason about it.
      \begin{itemize}
  \medskip
        \item prepare by \emph{reading the book} before every lecture
  \medskip
        \item ask questions in class, labs or office hours
      \end{itemize}
  \medskip
  \end{itemize}
  \end{goal}
  \pause
  
  \begin{block}{Why you need this course}
    Storing data is important everywhere in industry.\\[1ex]
    
    The skills you acquire here are useful for your entire career.
  \end{block}
\end{frame}