For it is God who works in you, both so as to choose, and so as to act, in accord with his good will
Other versions
King James Version
For it is God which worketh in you both to will and to do of his good pleasure.English Standard Version
for it is God who works in you, both to will and to work for his good pleasure.New International Version
for it is God who works in you to will and to act according to his good purpose.