Open it up and get on with it!
I take a simple view of life. It is keep your eyes open and get on with it. - Laurence Sterne.
I had the pleasure of analysing a game for a friend, in which his opponent seemed content simply to play with the pawns and neglect development. In such a situation, we have learned from that great artist, Paul Morphy that a superior development entails that we open the position and exploit our lead in development. In the following game, white actually opened up the position for black with his own move and the scene was set for a devastating and somewhat beautiful realisation of the principle. No doubt the dude up there on the right, painted by Joshua Reynolds, would have approved, Irish novelist, Laurence Sterne, check it out.
Lessons to learn and think about.