Bold and Emphasized Text

Remember that spaces after a LaTeX command are not considered, so when a space is required always put it before the command.
     \documentstyle{article}
     \begin{document}

     ``It's \em very \rm provoking,'' Humpty Dumpty said 
     after a long silence, looking away from Alice 
     as he spoke, ``to be called an egg --\bf  very\rm !''

     \end{document}