“Now, pull your twisted self together, concentrate and be brilliant.”— Andy Breckman, Sharona Fleming, Bitty Schram, imdb.com
“That’s very rude of you to just walk around shirtless knowing it’s very hard for me to concentrate!”— I. Marlene King, Rebecca Serle, Paige Townsend, Bella Thorne, imdb.com
“Why do blondes stare at orange juice containers for hours on end? Because they say ‘concentrate.’”— Unknown, tcat.tc
“[I]f an image keeps changing really quickly your brain doesn’t learn to concentrate, and it gets so that you can’t concentrate because you get so used to seeing things only for a second that you don’t take in what you’re seeing. It’s not good for people who want to study or learn something.”— Sinead O'Connor, books.google.com
“Concentrate on what you want to say to yourself and your friends. Follow your inner moonlight; don’t hide the madness. You say what you want to say when you don’t care who’s listening.”— Allen Ginsberg, goodreads.com