The core concept here is the importance of self-assessment and adaptation in achieving goals. Option B is correct because it emphasizes the need to regularly assess progress and make necessary adjustments, which aligns with the idea of reflective practice and continuous improvement. Option A is incorrect because ignoring setbacks can lead to a lack of learning and improvement. Option C is wrong because working without breaks can lead to burnout and decreased efficiency. Option D is incorrect because over-reliance on others' feedback can忽视 personal insights and self-awareness, which are crucial for self-improvement.