God is incomprehensible... Let us not flutter too high, but remain by the manger and the swaddling clothes of Christ, “in whom dwelleth all the fullness of the Godhead bodily.”

Table Talk, "Of God's Works," CXV

All the works of God are unsearchable and unspeakable, no human sense can find them out; faith only takes hold of them without human power or aid. No mortal creature can comprehend God in his majesty... I, for my part, admit myself a fool...

Table Talk, "Of God's Works," LXIII

When one asked, where God was before heaven was created? St Augustine answered: He was in himself. When another asked me the same question, I said: He was building hell for such idle, presumptuous, fluttering and inquisitive spirits as you.

Table Talk, "Of God's Works," LXVII