Image: David Crotty / Patrick MCmullan via Getty Images
Creativity comes from a conflict of ideas. —Donatella Versace Italian fashion designer
An idea that is not dangerous is unworthy of being called an idea at all. —Oscar Wilde Irish poet and playwright
Be less curious about people and more curious about ideas. —Marie Curie Polish and French physicist and chemist
No army can withstand the strength of an idea whose time has come. —Victor Hugo French poet and novelist
If you want something new, you have to stop doing something old. —Peter Drucker Austrian-American educator
If I have a thousand ideas and only one turns out to be good, I am satisfied. —Alfred Nobel Swedish scientist
Ideas are like rabbits. You get a couple and learn how to handle them, and pretty soon you have a dozen. —John Steinbeck American author
The test of first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function. —F Scott Fitzgerald American novelist
Ideas shape the course of history. —John Maynard Keynes English economist
I can’t understand why people are frightened of new ideas. I’m frightened of the old ones. —John Cage American composer
The best ideas come as jokes. Make your thinking as funny as possible. —David Ogilvy British advertising tycoon
Men are mortal. So are ideas. An idea needs propagation as much as a plant needs watering. Otherwise both will wither and die. —BR Ambedkar Jurist and economist