I can't change the direction of the wind, but I can adjust my sails to always reach my destination.
— Jimmy Dean

When it is obvious that the goals cannot be reached, don't adjust the goals, adjust the action steps.
Confucius adjusts quote

We cannot direct the wind but we can adjust the sails.
— Unknown

We cannot direct the wind, but we can adjust the sails.
— Dolly Parton

Moral codes adjust themselves to environmental conditions.
— Will Durant