I have a confession to make. There are a number of things people of faith say to others that drive me insane. Now, I know that these things are often said with every intent of caring and showing compassion. I also know they are said because we are not sure what else to say. (A word of advice – a listening ear is always a better – and safer – than moving lips). I came across this blog which summed up my list pretty well. You may find it instructive, challenging, even a little annoying. It is a good exercise in thinking through our faith and avoiding superstition. Any other things Christians say that bother you or trouble you? – Pastor Tim
10 Things You Can’t SAY While Following Jesus – Mark Sandlin | God’s Politics Blog | Sojourners.
A Beggar's Take 
Your new baby was sent to replace the one who died. You are young, you will find another husband.
Those words cause pain. No doubt about it. If you heard these at some point, I’m so sorry. It is better to say nothing and be there than say something “clever” and cause pain.
Rev, Peter Marty’s article in the January 2014 Lutheran magazine goes along with these thoughts and is a good read.
For anyone who want another perspective mentioned by Kristine —