Complex sentence: Mandela's lawyers urged him to leave out the final statement, lest it provoke the judge into sentencing him to death, but Mandela refused, although he did add the qualifier "if needs be".
Split into simpler sentences: Mandela's lawyers urged him to leave out the final statement, lest it provoke the judge into sentencing him to death, but Mandela refused. Nonetheless, he did add the qualifier "if needs be".