Life always changes. Nothing is permanent.
That doesn’t mean we shouldn’t pursue goals. It’s just that we’d experience a deeper sense of joy on the journey if we realized there’s nowhere to get to. There’s no someday when I’m someone, or someday when I’m happy. There’s no salvation in the future. It’s an illusion that strips the present of joy and makes it a stressful experience.
Life is now. It will always be now. At some point we have to decide now is a perfect time to be happy, peaceful, satisfied, and complete.