The initial quote “Every expert was once beginner” is attributed to Helen Hayes (1900-1993). She was an actress who is one of the few in her career to win an Emmy, a Grammy, and an Oscar and a Tony. If anyone became an expert in her craft it was Helen Hayes.
Here are some other quotes that say something similar.
“Everybody has to start somewhere. You have your whole future ahead of you. Perfection doesn't happen right away.”
This is a quote by Haruki Murakami in his book of short stories Blind Willow, Sleeping Woman. Murakami is a Japanese author born in 1949 who writes novels and short stories.
“If everyone waited to become an expert before starting, no one would become an expert. To become an EXPERT, you must have EXPERIENCE. To get EXPERIENCE, you must EXPERIMENT! Stop waiting. Start stuff."
This quote comes from Richie Norton, an author, consultant and Founder and CEO of Global Consulting Circle.
“You don't have to be good to start ... you just have to start to be good!” says Joe Sabah, a public speaker and member of the National Speakers Association.
Lailah Gifty Akita has several quotes that apply to this topic. Lailah is from Ghana and is the founder of Smart Youth Volunteers Foundation.
“Every beginner possesses a great potential to be an expert in his or her chosen field.”
“All great men had simple beginnings.”
“Sometimes, the experts forget they were once beginners. You must be gentle with beginners; they have great potential to be experts.”