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

  \emph{How to pass this course?}
  \begin{itemize}
  \bigskip\pause
    \item You must acquire some abilities.
      \begin{itemize}
  \pause\medskip
        \item can only be learned by doing
  \pause\medskip
        \item work actively on the homework assignments
      \end{itemize}
  \bigskip\pause
    \item You must acquire basic knowledge and reason about it.
      \begin{itemize}
  \pause\medskip
        \item Read the book \emph{before} the lectures. 
%   \pause\medskip
%         \item After reading the book, \emph{look through the slides}.
  \pause\medskip
        \item Ask questions in class, labs or office hours.
      \end{itemize}
  \end{itemize}
  \pause
  
  \begin{block}{Note that}
    You are expected to work \emph{4 hours per day} on this course.\\
    \pause\smallskip
    
    At least try!
  \end{block}
\end{frame}