How do we know that all things work for good according to Romans 8:28?

The certainty of Romans 8:28 hinges on knowing that the promise is directed specifically to 'those who love God.' This love is a response to God’s initiation of love towards us, highlighting that our relationship with Him is pivotal. Furthermore, this verse is part of a larger context that reveals God’s ultimate purposes for His elect, including predestination, calling, justification, and glorification. Such assurance comes from understanding God's character as completely sovereign and good, capable of using every circumstance for our spiritual growth and ultimate good.