The Belgic Confession, Article IX (1)

All this we know, as well from the testimonies of holy writ, as from their operations, and chiefly by those we feel in ourselves. The testimonies of the Holy Scriptures, that teach us to believe this Holy Trinity are written in many places of the Old Testament, which are not so necessary to enumerate, as to choose them out with discretion and judgment. In Genesis 1:26, 27, God saith: Let us make man in our image, after our likeness, etc. So God created man in his own image, male and female...