You can practice building mental strength by setting meaningful goals and working to accomplish them, step by step. Getting from one step to the next requires applying yourself, working through boredom or pain, and sticking it out until you've made it. That's no easy feat, and the more you practice, the better you'll get at achieving your goals.  If you have big goals that seem unattainable, break them down into smaller doable steps. For example, if you want to work on becoming more assertive, you could set a goal to speak up for yourself three times per week. These instances could be as minor as telling your partner that you want to go to dinner at a specific restaurant, rather than deferring to your partner’s choice. Have a "stick with it" attitude. Decide that even if you have a setback, you're going to keep trying, whether the goal in question is keeping a job, finishing a project, managing your finances, and so on. See failures as learning opportunities. Failures are simply temporary setbacks full of lessons for us to learn. Negativity can come at you in different ways: it can be from within, in the form of negative thoughts and harmful self-talk, or from the outside, as negative feedback or abuse from other people. While it is beyond a person's control to ever fully remove negativity from her life, there are ways to manage it.  Manage negative thoughts by learning to identify and challenge them. Learn more by reading Deal with Negative Thoughts. While you may be able to minimize your contact with negative or toxic people — you may even be able to excise them from your life entirely — sometimes these people are family members, coworkers, or other people you must interact with. Instead of taking their negativity to heart, you can learn how to not engage and set boundaries with that person. This wikiHow article, How to Deal with Negative People, is a fantastic resource to teach you how to do this. Positive daily affirmations can help you develop your mental and emotional strength. Take a few moments every...

How would you rephrase that briefly using Vietnamese?
Đặt mục tiêu hợp lý và thực hiện chúng. Vững vàng trước sự tiêu cực. Độc thoại tích cực để xây dựng sức mạnh tinh thần và cảm xúc của bạn. Học cách giữ bình tĩnh khi chịu áp lực. Bỏ qua những điều vụn vặt. Thay đổi góc nhìn của bạn. Có nhân sinh quan tích cực. Thành thật với bản thân.