Grandparents Speech Need Help With Opening Sentence, For A Speech I Will Say At Grandparents 50th Anniv?

Need help with opening sentence, for a speech i will say at grandparents 50th anniv? - grandparents speech

Can someone help me start my speech with good speech?

I know that some of the things that I talk to .. available but for some reason can not be a good start! Ideas?

Thank you for your time!