Full Idea
God is not only the efficient cause of the existence of things, but also of their essence.
Gist of Idea
God is the efficient cause of essences, as well as of existences
Source
Baruch de Spinoza (The Ethics [1675], I Pr 25)
Book Reference
Spinoza,Benedict de: 'Ethics', ed/tr. White,WH/Stirling,AH [Wordsworth 2001], p.25
A Reaction
This is close to Leibniz's view that the so-called 'laws of nature' are not imposed by God from outside, but are rooted with nature, in the essences of what has been created (which is modern scientific essentialism).