Sooner or later everyone of us experiences a moment in life when we are at loss for words because there are none that could describe or express the way we feel. One of those moments is a loss of someone we were close with, a loss of a loved one. In an instance of that nature it's difficult to say anything at all but a meaningful sympathy card, expressing our condolences in a sophisticated way, can say it all.
Examples below I've been using repeatedly. They appear very appropriate and soothing to me.