A good plan today is better than a perfect plan tomorrow. George S. Patton
The enemy of a good plan is the dream of a perfect plan. Carl von Clausewitz
A good plan violently executed now is better than a perfect plan executed next week. George S. Patton
A good plan will therefore include alternative actions, the choice between them being left open until the passage of time indicates which is feasible and which is not. Carl Eckart
No plan can prevent a stupid person from doing the wrong thing in the wrong place at the wrong time - but a good plan should keep a concentration from forming. Charles E. Wilson
A good plan today is better than a perfect plan tomorrow. Danish Proverb