"Go into hard things quickly and eagerly" encourages approaching difficult challenges with enthusiasm and determination. By confronting tough situations head-on, you build resilience and gain valuable experience. This mindset promotes growth and reduces fear of obstacles, fostering confidence in facing life's challenges.

The idea of then retreating can be interpreted as taking a step back to reflect and recharge after tackling difficult issues. It emphasizes balancing effort with rest, allowing one to handle future challenges more effectively. This approach advocates for a proactive yet thoughtful strategy in overcoming adversity.