Καλή συνέχεια!

A Greek expression I rather like. It means something like "I wish you a good continuation or continuing" (ie of your journey). I hear it most often on the Egnatia Highway, after stopping to pay the toll to use the road.

I suppose it could be used in a wide range of circumstances. I wish you a good continuation...of your endeavours...of your project... of your life, even?

Καλή συνέχεια!