Wherever conflicts rage, we must work harder for peace, always focused on helping the most vulnerable.

UN: Secretary-General

And we must all work harder to secure and fully implement the new standard that will see oil, gas and mining companies reporting project by project payments across the world without exception.

WSJ: David Cameron: A British-American Tax and Trade Agenda

We must not take away from these remarkable achievements, ministers would intone: children today work much harder than in my day, and teachers are doing a wonderful job.

ECONOMIST: Fixing British education