This quote emphasizes the need for adaptability and flexibility in life. It suggests that success is not a static concept, but rather, it is dynamic and ever-changing. To achieve continuous success, one must be willing to change their behavior, strategies, and tactics to suit the shifting circumstances. This is because what worked yesterday may not necessarily work today or tomorrow as conditions change.

In a deeper sense, it also implies that rigidity and stubbornness to change can be a hindrance to success. The world is constantly evolving, and so are its challenges and opportunities. Hence, one must be ready to learn, unlearn, and relearn to stay relevant and successful.

In today’s world, this quote is more relevant than ever. With the rapid advancements in technology, societal norms, and global issues, what was effective or acceptable a few years ago might not be so today. For instance, businesses that fail to adapt to digital transformation or sustainable practices risk becoming obsolete.

On a personal level, this could be applied in career growth and personal development. For instance, professionals need to constantly upgrade their skills and knowledge to stay competitive in the job market. Similarly, in personal relationships, one needs to adapt to changes in their own and others’ lives to maintain healthy relationships.

In conclusion, this quote is a timeless reminder of the importance of adaptability and continuous learning in achieving lasting success. It encourages us to embrace change, rather than resist it, and to constantly reinvent ourselves in response to the changing times.