Karl Barth 
The Knowledge of God and the Service of God According to the Teaching of the Reformation [EPUB ebook] 
Recalling the Scottish Confession of 1560 (Gifford Lectures 1937 & 1938)

These lectures on that teaching [of the Reformed church on natural theology] will not take the form of an independent outline, but will be connected with a 'document’ of the Reformation. Further, taking into account the specifically Scottish character of the Gifford foundation, this document will be a document of the 'Scottish’ Reformation. . . . I am letting John Knox and his friend speak in their 'Confessio Scotica’ of 1560. This is not to take the form of an historical analysis of the Scottish Confession, but that of a theological paraphrase and elucidation of the document as it speaks to-day and as we to-day by a careful objective examination of its content can hear it speak.

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