What are some motivational quotes or advice to help me keep going?

ı grew up in a difficult family environment, and I still don't even have my own room. I graduated from university and I'm currently studying for a government exam, trying my best to stay motivated. My parents argue almost every day, and the constant fighting makes it hard to focus. Since I don't have my own room, I study in the living room, but then my father comes in and turns on the TV. When I move to the kitchen, I still can't find a quiet place to work. My older brother has his own room, my grandfather has his own room, but I don't have one. Sometimes I take a cushion and sit in a common area of our apartment building just to study. The library is far away in the city center, and even transportation costs are a problem for me. I'm exhausted from all of this. I keep hoping that I'll pass the exam, get a job, and move to another city. Then I feel sorry for my family, but at the same time they never gave me much attention while I was growing up. I clearly remember elementary school days when other kids would bring their toys, while I didn't even have a single doll of my own. I still remember that very clearly. Sometimes I honestly don't know what to do anymore. It's really difficult to keep studying under these circumstances. How can I stay motivated? Could you share some motivational quotes or advice that might help me keep going?

What are some motivational quotes or advice to help me keep going?
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