Sforno on Deuteronomy 4:35/ספורנו על דברים ד׳:ל״ה

1אתה הראית, G’d has shown you all this.

2לדעת, for you to know and understand beyond any doubt כי ה' הוא האלוקים, that Lord is the G’d Who is responsible for every phenomenon in the universe, that He has created it.