I passionately believe that nothing great is achieved without difficulty. The Navajo have a proverb: ‘Everything easy is evil, everything difficult is good’… And that’s a pretty good rule of thumb.

John Lloyd (1951 – ), British comedy producer, best-known for producing the progammes QI, Blackadder, Spitting Image and Not The Nine O’Clock News

The first 30,000 pots you make are the worst. Then it gets easier.

Geoffrey Whiting, a potter, advising his apprentice Edmund de Waal (recalled by the latter recently on the BBC’s “Desert Island Discs”).

A goal without a plan is just a wish.

Antoine de Saint-Exupery (1900 – 1944), French writer, poetor, aviator, best-known for the novel, Le Petit Prince

If not now, when?

Rabbi Hillel, Jewish sage, who taught mainly in the first century B.C.E.