In this quote, the Cheshire Cat highlights the misconception that pain and success are inherently linked, suggesting that only those who are mentally unbalanced believe suffering is a necessary part of achievement. It emphasizes that true progress requires understanding and effort, not just enduring hardship.
The quote also underscores the importance of gaining knowledge and improving oneself. Without striving to bridge gaps in understanding or skill, individuals risk stagnation or failure, implying that growth is essential for survival and success in life.