Ten States of Mind That Make a Person Internally Strong to the Point of Fear: 1. No Explanation Needed: Truly capable people understand that "those who understand you don't need an explanation, and those who don't understand you won't be convinced by explanations." Use the time spent explaining to get things done, and let your achievements automatically dispel doubts. 2. No Expectations: Most pain comes from expectations. Let go of expectations for the outside world, focus on honing your own abilities, and your inner peace will be free. 3. Focus: Enter a state of deep work, block out distractions, and produce work that is several times more than fragmented tasks. 4. Tolerance: Naturally shield yourself from trivial negative information, and avoid being disturbed by sarcasm, ridicule, or short-term fluctuations in judgment and rhythm. 5. Solitude Power: Endure loneliness and grow in solitude, because all growth happens when you're alone. 6. Acceptance: Quickly accept reality, including unfairness, failure, misunderstandings, etc., then immediately think of solutions instead of complaining or getting angry. 7. Delayed Gratification: Sacrifice short-term pleasures for long-term big goals, understanding that truly valuable things require time to accumulate. 8. Extreme Self-Discipline: Demand precision from yourself down to the minute, which is the ultimate respect for your life and can lead to great achievements. 9. Open Mindset: Always stay in a learning state, don’t set limits for yourself, because the times change rapidly, and yesterday’s experience may be outdated today. 10. Persistence Spirit: Never give up until the goal is achieved, pursue excellence in quality, and don’t give up despite difficulties and failures.