A Scot is a man who keeps the Sabbath – and every other doggone thing he can lay his hands on! (American Folk Saying)
If time flies when you're having fun, it hits the afterburners when you don't think you're having enough (Jef Mallett)
Thaim wi a guid Scots tongue in their heid are fit tae gaun ower the warld. (Scots Proverb)