We've always done it this way" is invalid when that way hasn't led to more life, greater growth, or maximum efficiency. Take that how you will...business, personally, church, or family. Complacency is too easy to breed, and already has one foot in the grave.

Complacency delivered us into the hands of evil greedy men like Cheney.

Our offense got complacent. We got up by four or five runs and the offense just went stagnant.

Contentment - being happy while doing something - and complacency - being happy while doing nothing - are entirely different.

If it ain't broke, don't fix it' is the slogan of the complacent, the arrogant or the scared. It's an excuse for inaction, a call to non-arms.

The differences between East and West seem to have been continually on the increase, but this divergence can be said to have been one-sided, in the sense that it is only the West which has changes, whereas the East, broadly speaking, has remained much the same as it was in times which we are accustomed to call ancient, but which nevertheless are comparatively recent.