If you as an individual want to change your weight, you must change your whole life.

CNN: Why we're getting fatter -- and what to do about it

Both know that success requires new facts and new data, and you must be willing to change your views to succeed.

FORBES: Changing Your Mind is a Good Thing

Things change, and your organization must as well.

FORBES: Innovation For Dummies

If you really want to get the most from your bike a smooth, reliable gear change is a must.

BBC: Sport

You must dig deep, keeping digging, and never be afraid to change your mind.

FORBES: Muni Bond Manager's Journal: Looking For Real Value

You must also modify your risk appetite as you and your portfolio grow older and circumstances change.

FORBES: Is Modern Portfolio Theory Out-of-Date?