Lastly, there is the constant tension between the French and authority.

ECONOMIST: What the travails of Les Bleus say about modern France

What made BARIS so stellar a space game was that it captured the essence of the Space Race and its constant tension between risk and reward.

FORBES: The Return of "Buzz Aldrin's Race into Space" Game

The constant tension: privacy vs. security.

FORBES: It's time to get over our privacy issues at the airport

There was a constant undercurrent of tension between a modernising monarchy and a conservative clergy.

ECONOMIST: Sheikh Bin Baz

The constant theme of this book is the tension between the demands of justice and the victims and those of political expediency.

ECONOMIST: Carla Del Ponte

The significant and continuous tension between self-interest and ideals has been a constant, predominant strain in American foreign policy for over 200 years.

ECONOMIST: Letters

Anxiety is also dysfunctional if it is causing physical tension in the body, or if it is generated by a constant stream of self-criticism, which can be self-fulfilling.

WSJ: Anxiety Can Bring Out the Best

The Cardiff boss says tension has been eased by already reaching the play-offs and that constant reminders of that 2008-09 failure during the latter stages of this campaign have been unhelpful.

BBC: Cardiff must take this chance - boss Dave Jones