Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.
—Thomas Edison (1847–1931) American Inventor, Scientist, Entrepreneur
I am as frustrated with society as a pyromaniac in a petrified forest.
—A. Whitney Brown (b.1952) American Comedian, TV Personality
Discontent is the first step in the progress of a man or a nation.
—Oscar Wilde (1854–1900) Irish Poet