Brutus:
no, cassius, no.
think not, thou noble roman,
that ever brutus will go bound to rome.
he bears too great a mind. but this same day
must end that work the ides of march begun;
and whether we shall meet again i know not.
therefore our everlasting farewell take.
for ever and for ever farewell, cassius.
if we do meet again, why, we shall smile.
if not, why then, this parting was well made.

cassius:
for ever and for ever farewell, brutus.
if we do meet again, we’ll smile indeed.
if not, ‘tis true this parting was well made.

what is the tone of this exchange between brutus and cassius? give specific examples of words that support your answer.