When a boxer enters the ring and gets punched in the face, he doesn’t complain. He understands that it is part of the game and continues fighting, focused on winning.
In life, when people argue with us or oppose us, we should understand that this is just a part of who they are. Rather than judging them, we can choose to accept them, just as we would accept a large rock on our path by simply walking around it, tackling a steep uphill climb, or even swimming across a wide river to continue towards our destination.