They challenge us to accept imperfections in ourselves and each other.

CNN: Why Oscar Pistorius deserves to run

Why should we accept less security for ourselves than we recognize must be provided for Israel?

CENTERFORSECURITYPOLICY: Center for Security Policy | ��The Case For Ending US And Israeli Strategic Vulnerability��

Until then, we should resign ourselves to accept the results of jury decisions the same way we swallow refereeing in basketball.

FORBES: Why Juries Will Be Replaced by Computers

Arising from the failure of political leadership here in Rio, our hope is that people everywhere will accept that we all have to take responsibility and mobilize ourselves.

CNN: Was Rio+20 a failure of political leadership?

What is required of us now is a new era of responsibility - a recognition, on the part of every American, that we have duties to ourselves, our nation and the world, duties that we do not grudgingly accept but rather seize gladly, firm in the knowledge that there is nothing so satisfying to the spirit, so defining of our character, than giving our all to a difficult task.

NPR: Obama Vows To Tackle Challenges

We could either accept a consensual deal for 12 months, or the situation would drift on and we would find ourselves with a constructive dismissal (claim) and also an unfair dismissal.

BBC: Lord Patten defends BBC pay-off to George Entwistle