I've always felt toward the slightest scene even if all I had to do in a scene was just to come in and say 'Hi ' that the people ought to get their money's worth and that this is an obligation of mine to give them the best you can get from me.
In war as in life it is often necessary when some cherished scheme has failed to take up the best alternative open and if so it is folly not to work for it with all your might.
