Break a Leg
"Break a leg" is a common phrase used to wish someone good luck before a performance or event.
Douglas Heingartner
Douglas Heingartner, the editor of SayWhatYo!, is a journalist based in Amsterdam. He has written about science, technology, and more for publications including The New York Times, The Economist, Wired, the BBC, The Washington Post, New Scientist, The Associated Press, IEEE Spectrum, Quartz, The Village Voice, The Los Angeles Times, Frieze, and others. His Google Scholar profile is here, his LinkedIn profile is here, and his Muck Rack profile is here.
Don’t Count Your Chickens Before They Hatch
"Don't Count Your Chickens Before They Hatch" is a common idiom used to warn against making plans based on uncertain events or outcomes.