Let your big goals be long ones.
Don't think: "I want to write a book."
Instead think: "I am going to work on a book this year, and next year, and the year after that."
It's empowering to shift your timeframes this way, and I encourage you to try it. Here's why:
Long-term goals are commitments
Short term goals are small aspirations. They're about things you want, not about the person you want to become. When you let yourself to approach something over a period of years, or even decades, you make bigger choices and commitments about who you want to be.