Paul writes in Ephesians 5 (16-17): “Be very careful, then, how you live—not as unwise but as wise, making the most of every opportunity, because the days are evil.” Now, I don’t know what Paul’s voice sounded like, but I do know that I really like Joni Mitchell’s voice. And even though Paul may have said it better, I would still rather hear Mitchell sing it. See, it is her words (Sorry, Paul!) that I first hear when I realize that I have missed a golden opportunity: Don't it always seem to go That you don't know what you've got til it’s gone. They paved paradise And put up a parking lot. To be perfectly honest, Mitchell wasn’t as concerned about opportunities missed as she was about how people were treating environment (“They took all the trees and put 'em in a tree museum / And they charged all the people