Hebrews 11:3
3
Through faith we understand that the worlds were framed by the word of God, so that things which are seen were not made of things which do appear.
Arcana Coelestia #62
62. The stages and states of the regeneration of man - both of mankind and of the individual person - divide into six and are called the days of his creation. Gradually from being no man at all, he first becomes something, though only little, then something more, until the sixth day is reached, when he becomes 'an image'.
