This question can help him to separate his feelings from the facts. Is the son really going to be a failure because he is having trouble in one class?
(‏ امثال ١٧ :‏ ٢٧‏ )‏ فهل صحيح ان ابنه سيصير انسانا فاشلا في الحياة لمجرد انه يواجه صعوبة في مادة واحدة ؟‏