Similar quotesIdeas shape the course of history.
John Maynard Keynes 
A good idea, only be sure to make a copy of everything before getting rid of it.
Samuel Goldwyn 
Great minds discuss ideas. Average minds discuss events. Small minds discuss people.
Eleanor Roosevelt 
An invasion of armies can be resisted, but not an idea whose time has come.
Victor Hugo 
A person with a new idea is a crank until the idea succeeds.
Mark Twain 