To enhance your endurance and resilience, it's essential to build and sustain intellectual stamina for cognitive tasks. Here are some tips to help you improve your stamina;

1. Engage in work; Train your mind to concentrate deeply on tasks for longer periods without getting distracted. Begin with intervals. Gradually extend the time spent on each task.

2. Foster a growth mindset; Embrace challenges as opportunities for development and learning. Treat setbacks as obstacles from which you can learn lessons.

3. Cultivate curiosity; pursue knowledge and ideas to keep your mind engaged and motivated. A sense of curiosity can fuel your drive for learning.

4. Take breaks and rest; Breaks help prevent exhaustion and maintain concentration. Engage in activities like meditation, physical exercise, or spending time outdoors to rejuvenate your mind.

5. Manage stress. Chronic stress can negatively impact abilities—practice stress relief techniques such as breathing exercises, mindfulness, and effective time management strategies.

6. Prioritize well-being; exercise, a nutritious diet, and sufficient sleep are crucial for supporting mental endurance. Physical health is closely linked to performance.

7. Establish an optimal work environment; Create a workspace that minimizes distractions and promotes focus by ensuring lighting, seating, and an organized workspace.

Break down your work into tasks, splitting projects into manageable parts to stay motivated and prevent feeling overwhelmed.

Keep your mind sharp with various exercises; Engage in activities that challenge you across areas to maintain flexibility and adaptability.

Work with others; participate in conversations, debates, and collaborative efforts. Exposing yourself to viewpoints can broaden your perspective. Test your mental endurance.

Remember, developing strength is a journey that demands continuous dedication and practice. Integrating these approaches into your routine can improve your capacity to concentrate and handle challenging assignments more effectively.