Time is the scarcest resource and unless it is managed nothing else can be managed.
There are no creeds in mathematics.
Unless a decision has degenerated into work, it is not a decision; it is at best a good intention.
Decision making is the specific executive task.
Don't take on things you don't believe in and that you yourself are not good at. Learn to say no. Effective leaders match the objective needs of their company with the subjective competencies. As a result, they get an enormous amount of things done fast.
Culture eats Christianity for breakfast.