Iain Duncan Smith - Luck is great, but most of life is hard work.

David King - "Climate change is the most severe problem that we are facing today, more serious even than the threat of terrorism."

Robert Griffin II - Hard work pays off - hard work beats talent any day, but if you're talented and work hard, it's hard to be beat.

Robert Half - Hard work without talent is a shame, but talent without hard work is a tragedy.

Harry Golden - The only thing that overcomes hard luck is hard work.

Newt Gingrich - Perseverance is the hard work you do after you get tired of doing the hard work you already did.

Arne Duncan - Wherever you find something extraordinary, you’ll find the fingerprints of a great teacher.

Logan Pearsall Smith - I might give my life for my friend, but he had better not ask me to do up a parcel.

Anthony Bourdain - The Congo was the most difficult shoot of my life but was also maybe the greatest adventure of my life.

Indra Nooyi - Leadership is hard to define and good leadership even harder. But if you can get people to follow you to the ends of the earth, you are a great leader.

Theodore Roosevelt - Far and away the best prize that life has to offer is the chance to work hard at work worth doing.

Thomas Jefferson - But friendship is precious, not only in the shade, but in the sunshine of life, and thanks to a benevolent arrangement the greater part of life is sunshine.

Ernest Dimnet - The happiness of most people is not ruined by great catastrophes or fatal errors, but by the repetition of slowly destructive little things.

Shannon Sharpe - A lot of people mistake habit for hard work. Doing something over and over again is not working hard.

Margaret Mead - I learned the value of hard work by working hard.

Michael Palin - I am not a great cook, I am not a great artist, but I love art, and I love food, so I am the perfect traveller.

Zig Ziglar - You don’t have to be great to start, but you have to start to be great.