Easier Said Than Done Meaning

(idiomatic) Easy to propose, but difficult to accomplish.

Example: 1858, Thomas Carlyle, History of Friedrich II of Prussia, called Frederick the Great, volume 1, page 288:
  Which is a thing more easily said, than made good in the way of doing.
2012 June 19, Phil McNulty, “England 1-0 Ukraine”[1], BBC Sport:
  Scott Parker was desperately urging England's players to keep possession - but it was easier said than done amid waves of Ukraine attacks and it needed a penalty area block from the Tottenham midfield man to thwart Devic.