Romans 8:28 And we know that all things work together for good to them that love God, to them who are the called according to his purpose.
There’s so much we don’t know, but believers can know that their lives are in the hands of God. We may not always feel it, but what we feel is not the test of what we know. We may not know how or why, but God’s works often remain a mystery.
All things work together for good “to them that love God.” Only those who are saved (born again) truly love God. If a believer is convinced that God is the all-wise, all-loving, all-powerful God of the universe, then he/she can humbly accept all that He puts in their lives.
God has a purpose for each believer. All things also work together for good to them who allow God to fulfill His purpose in their lives. God's purpose is for us to be conformed to the image of His Son.
