Why keep going as a Christian when its difficult

Karen reads from the Gospel of John Ch 2 ver 18 -. This week James the son of Andrew is our guest speaker and teaches us Gods promise from the letter to the Hebrews. How can you keep trusting Jesus when the world doesn't make sense ? In the verses, the writer to the Hebrews encourages them to persevere by reminding them of Gods faithfulness in the past, and his promise for the future