What is one example of Atticus having true courage during the Tom Robinson trial?

shows many
examples of true courage in .  Even
before the trial begins, he shows courage by being willing
to take the case;
as a single parent toand , he could have said he didn't want to take this
case
and no one would have blamed him.

When Tom Robinson
is moved to the jail the
night before the trial begins, Atticus shows courage
by facing a lynch mob that comes to the
trial.  He knows what he will
encounter, but he...