Gary LeVox (Rascal Flatts) - "IF U DONT HAVE ANYTHING GOOD TO SAY ABOUT SOMEONE, THEN DON'T SAY ANYTHING AT ALL."

Gary Le Vox of Rascal Flatts (center) with mom Judy Harmon and wife Tara LeVox

(Photo by Michael Loccisano/Getty Images for Big Machine Records)

Joe Don Rooney - Referring to moving to Nashville to pursue my dreams in music my momma told me 'You'll never know unless you go, you have picks in your pocket & dreams in your head . . . go for it"

Joe Don Rooney of Rascal Flatts with parents Wendell Rooney, Jo Rooney and wife Tiffany Rooney (Photo by Michael Loccisano/Getty Images for Big Machine Records)

Jay DeMarcus - "Never lose your faith in God and never, ever give up on your dreams."

Jay DeMarcus of Rascal Flatts (Photo by Ethan Miller/Getty Images)

Hannah Blaylock (Edens Edge) - "When life gets tough, pull yourself up by your boot straps and keep on a-trekkin'!!"

Hannah Blaylock, Edens Edge (Photo by Jason Merritt/Getty Images)

Cherrill Green (Edens Edge) - "If you can dream it, you can do it!"

(Photo by Jason Merritt/Getty Images)

David Nail - "My mother is a very conservative lady! She always said to be comfortable being me! She once said if my wife Catherine didn't make me happy, then I needed to get used to the fact that I'd never be happy."

David Nail with wIfe Catherine (Photo by Rick Diamond/Getty Images)

Dean Berner (Edens Edge) - "Play perfect :)"

Dean Berner (Edens Edge)

(Photo by Rick Diamond/Getty Images for Country Thunder)

Josh Kelley - "Before I'd leave to go out the door she'd say 'PUT A RAINCOAT ON IT!!!'" "And I always did...haha"

(Photo by Angela Weiss/Getty Images For PEOPLE Magazine)

James Otto - "Moms best advice was to follow my dreams. Kinda generic I know but true."

(Photo by Michael Loccisano/Getty Images)

Colt Ford - "My Mamma always said 'God never gives you anything he does not intend for You to use.'"

(Photo by Rick Diamond/Getty Images)

Uncle Kracker - "Best advice my mom ever gave me...'go ugly early.'"

(Photo by Kevin Winter/Getty Images)

Phil Vassar - "My mom always told me to do what you love to do. Do what makes yu happy. And follow your dreams no matter what other people say about it. That's the reason I moved to Nashville. Everybody thought I was crazy."

(Photo by Rick Diamond/Getty Images For Country Thunder)

Meghan Linsey (Steel Magnolia) - "Forgive and let go. Don't let anger get the best of you and eat you up inside."

Photo courtesy of Meghan Linsey

Justin Moore - "Stand up and do what's right, even if it's the harder choice"

(Photo by Kevin Winter/Getty Images for Stagecoach)

JT Hodges - "Treat all women like you would me:)"

(Photo by Rick Diamond/Getty Images For Country Thunder)

Mike Eli (Eli Young Band) - "Honestly, it's kind of cliche but she told me to follow my dreams and it worked out pretty good. :)"

(Photo by Rick Diamond/Getty Images For Country Thunder)

Jana Kramer - "Don't ever let any man take your light away."

(Photo by Jason Merritt/Getty Images)

Randy Houser - "Wear clean underwear. . .u never know" "And a bunny suit"

(Photo by Jason Merritt/Getty Images)

Chuck Wicks - "Chuck!!! Put the toilet seat down!!! :)"

(Photo by Erika Goldring/Getty Images)

Bucky Covington - "Don't be late for things. However, she was always late. Haha"

(Photo by Jason Kempin/Getty Images)

Josh Gracin - "No matter what, the woman's right...Even if she's not , let her be...Because at the end of the night you'll be glad u did."

(Photo by Rick Diamond/Getty Images of IEBA)

Jack Ingram - "Break up with that girl! She's bad news! (That girl was bad news! A lot of fun...but bad news!!!)" "That and stay in school!"

(Photo by Rick Diamond/Getty Images for ACM)

Craig Morgan - "Don't expect too much from people, you'll be disappointed less"

(Photo by Rick Diamond/Getty Images For Country Thunder)

MIranda Lambert - "She gave me the advice, know who you are and stick with it, and I've done that in my life and in my career and it's really been great advice"

(Photo by Rick Diamond/Getty Images for BMI)