Insanity is doing the same thing while expecting a different result.

Albert Einstein (1879 – 1955), theoretical physicist

Without promotion, something terrible happens: Nothing!

PT Barnum (1810 – 1891), American showman, entertainer and founder of Barnum & Bailey Circus

[On writing poetry] It starts as inspiration and ends as a crossword puzzle.

John Betjeman (1906-1984), English poet and writer

He who seeks problems will always find them, or, if not, invent them.

Chinese proverb

As the world gets more complicated, communications must become more simple.

Maurice Saatchi (1946 – ), British advertising and marketing guru

If there is no excitement ready-made, some must be created.

Silas Bent (1882-1945), American journalist, lecturer and author of Ballyhoo: The Voice of the Press (1927)

Most things I come up with are 90 per cent there in the first take. But it’s the last 10 per cent that really matters. That’s the fun bit, and that’s the hardest bit and that’s the bit that most people don’t bother with.

Ricky Gervais (1961- ) , comedian, writer, actor, creator of “The Office”, “Extras”

Inspiration is preparation… plus time. In other words, creativity favours the prepared mind… and the patient one.

Peter Freedman, Director of Thinking, Think Inc

I thought about it all the time.

Isaac Newton (1642 – 1727), English scientist, on how he discovered the law of gravity.

Risk is how you achieve better audiences. The point is, we are in a world where the conservative route is the dangerous route.

Mark Thompson, now BBC Director-General, but this was said shortly after he had previously become boss of Channel 4