An important part of achieving hard goals is having the right mindset. It is important to remember that although some things are beyond your control, you make your own destiny.  Many people believe life is something that happens to them, rather than something they create for themselves. This is called an "external locus of control." It is a mindset that blames chance or other people when things don't work out.  An external locus of control is a self-defeating mindset. Strive instead for an "internal" locus of control. This is a mindset that says you control your own destiny. This is an empowering mindset that will help you stay motivated to achieve your difficult goal.  Pay attention to your self-talk. When you find yourself thinking: "there's nothing I can do about this" or "that's just how my life is," ask yourself if that is really true. You may indeed face a difficult situation that you did not create. But if this is the case, think about what you can do to improve it rather than accepting defeat.  Try to remember that you always have a choice. Another great way to motivate yourself is to try to envision the impact that striving for your goals will have on your life.  Imagining yourself at various stages of the process can boost your motivation by helping you see the benefits of your goals. This can be a good time to do some written brainstorming as you consider the positive consequences of pursuing your goal. A challenging goal is more easily achieved if you create an environment that encourages you to stay focused on your goal.  For example, if you are an alcoholic and trying to give up drinking, an important step will be to get all the alcohol out of your home. You will also probably need to spend less time with people that you would typically drink with. These people may encourage you to slip back into old habits. Instead, surround yourself with other people pursuing goals, and check in with them regularly. This can help create more accountability for you. Such people may also have helpful advice or...

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Write a summary of the previous text in Indonesian:
Ubah pola pikir. Tentukan efek yang ada. Ciptakan lingkungan yang tepat. Luangkan waktu yang diperlukan. Usahakan untuk terus termotivasi (dan terus membuat kemajuan bahkan saat Anda merasa tidak termotivasi). Awasi kemajuan yang Anda buat.