Motivation
Strong, lasting motivation and desire are essential to have the endurance to complete long and difficult undertakings. The motivation to endure comes from within and propels you to keep striving in the face of obstacles.
To build greater endurance, it is important to progressively train the body and mind by incrementally increasing difficulty and duration of activities. This allows the body to adapt to new levels of exertion. Proper rest, fueling through nutrition, and maintaining mental focus are also key.
What activities require endurance?
Many athletic endeavors like marathon running, triathlons, cycling centuries, and ultra-distance races require tremendous endurance. But endurance also applies to non-athletic undertakings that demand prolonged effort like military training, expedition-length hikes, or working multiple jobs to provide for one's family. Any activity, mental or physical, that tests the limits of persistence through discomfort and stress over extended durations relies on human endurance.
So in essence, endurance enables continued effort through adversity. It allows people to persevere when it would be easier to quit. Endurance is forged through resiliently bouncing back from failures, building tolerance for distress, and maintaining laser-focused motivational drive to keep striving over long periods of time. It reveals the depths of human potential.