I'm 80 and worked at the same company for almost 60 years. Here are the biggest lessons I learned about being successful at work.

Linda Zierolf, at 80, has dedicated 56 years to the same company celebrating its 70th anniversary. Working continuously since she was 18, Zierolf reflects on her original decision to decline a well-paid job at General Motors, emphasizing her preference for a smaller company where she felt valued. Despite her friends retiring, she finds fulfillment in her work and remains busy, expressing contentment with her choice to stay with a company whose values have remained consistent since her start in the 1960s.

"I’m still here because I really like the work and enjoy being busy. I’m not someone who can just sit around. Most of my friends are retired, but they say they wish they had worked longer."

Read at Business Insider