Rights are a matter of balance - the exercise of one person's rights can undermine those of another.

BBC: Analysis: Milestone left in Christian-secular debate

It's all a matter of balance and good nutrition.

CNN: Five 'eating better' foods to slip into your diet in '10

"It's a matter of moderation and balance, " Roberts said.

CNN: Environmentalist: It's becoming a plastic world

The deals to come will shift the balance of power between the big groups, and they will matter greatly to the countries affected.

ECONOMIST: Car mergers

In this demographic and cultural scene, politics is more than ever a matter of finely calibrating a religious-secular balance.

ECONOMIST: Another row between the religious and the secular in Israel

Big technology like renewable energy, carbon sequestration and advances in aquaculture certainly have a major role in restoring the ocean and the planet to a healthy balance, but in many cases it's a matter of giving nature the space and time to do what it needs to do with a helping hand from all of us.

CNN: Oceans: Environmental victim or savior?

What might matter more than overall stress levels is the relative balance of good and bad stress.

FORBES: Do College Professors Have Less Stress?

And, as a matter of definition, when central banks expand their respective balance sheets they create liquid assets for commercial banks.

BBC: Banks agree minimum liquidity rules

Exactly how tough times continue to be over the next two years is a matter of particular importance to employees of Bloomberg, with gigantic bonuses for all hanging in the balance.

FORBES: Despite Setback, Bloomberg Still on Track for Giant 2014 Bonuses

As a matter of math (as everyone used to say in the recent campaign), Congress could balance the budget in 2014 by eliminating about half the value of those tax expenditures.

FORBES: CBO Report Highlights America's Problem: The Income Tax Can't Fund The Government We Want