Difficult questions

Oh my word did I not expect this today. I went along to my college's Alpha course and came up against some  of the hardest questions I have faced in a long time. I was completely out of my depths for most of it but luckily God had my back so I could answer some of them and attempt to bring about an understanding on others but I just want to encourage people now to really trust God with those difficult questions and not be afraid to say "I don't know." I said it a good four or five times tonight and  am planning on coming back with answers next week, which will probably lead to more and more questions but I'm praying on the matter and will be asking questions of those more experienced than me. So really finding where I struggle will help me be refined  and get better at bringing people to search for Jesus.