Jennifer Aniston is looking back on her storied career, which has spanned over three decades!

Inside the latest edition of People magazine (which celebrates its 50th anniversary), the Friends star shares the things that she’s learned since she entered show business.

Reflecting on the start of her career, the 55-year-old star reveals what she would tell a younger version of herself.

“That feeling when it wasn’t about ‘making it’ but just working — maintain that,” she shares.

Jennifer Aniston shares the piece of advice she would give to her younger self

The most important lesson she’s learned throughout the duration of her career — which includes 10 seasons on Friends — waiting your turn.

“There’s so many,” she says before going into the key lessons. “Patience, to be kind, to respect your fellow actors. And just tell the truth.”

Inside the magazine, Aniston celebrates her career and the keepsakes inside her home, including journals, diaries and other memorabilia from her films.

Aniston isn’t the only star featured inside of the magazine’s celebratory edition. Oprah Winfrey, Drew Barrymore, Michael J. Fox, John Legend, Nicole Kidman, Matthew McConaughey, Reese Witherspoon, Dwayne ‘The Rock’ Johnson and Viola Davis all come together for the magazine’s 50-year run. In honor of the award-winning stars, People is unveiling 11 covers of their anniversary edition.

In January, Aniston spoke to ET and dished on what she does to maintain her “timeless” appearance.

“I have an insane makeup artist and I drink a lot of water and I get my sleep,” she said, jokingly adding, “This is spackled together, let’s be clear.”