Again and again we must rise to the majestic heights of meeting physical force with soul force. The marvelous new militancy, which
has engulfed the Negro community, must not lead us to a distrust of all white
people. For many of our white brothers, as evidenced by their presence here
today, have come to realize that their destiny is tied up with our destiny. And
they have come to realize that their freedom is inextricably bound to our
freedom. We cannot walk alone. And as we walk, we must make the pledge
that we shall always march ahead. We cannot turn back.

According to King, what thoughts should the Negro community have—and not have—toward white people? (lines 53-58)
What should they NOT do?
What does he say is evidenced by the presence of the white people in attendance at the speech that day?
What does he mean when he uses the term “soul force” in line 52?
What does King do in lines 55-57 to show that whites and blacks in his audience must work together?