An emphatic statement is a strong and forceful expression of a viewpoint or opinion to make it clear and leave no doubts or misunderstandings. Full definition
So even though the manager's claim that the player is still not fully recovered from his long spell on the sidelines, the news that contract talks are now due to begin is a much more emphatic statement of intent. (justarsenal.com)
It is difficult to imagine a more emphatic statement of thoroughgoing individualism or a more explicit denial of the old doctrine that Yahweh visits «the iniquity of the fathers upon the children.» (religion-online.org)