"Brother is not the same as before" is a popular saying, which means that the times are constantly developing and changing, and society is also constantly progressing. Friends from the past may no longer be able to adapt to the development of modern society and keep up with the times. This sentence can remind us to keep pace with the times, continue to learn and make progress, and adapt to the needs of modern society.

This popular saying can also be interpreted as human growth and change. As time goes by, everyone goes through various experiences and setbacks, and becomes no longer what they used to be. As we grow, we need to constantly reflect and adjust ourselves in order to better adapt to the changes and requirements of society.

"Brother is not the same brother as before" also means that we should see past experiences and achievements, but should not be overly obsessed with the past. We need to keep moving forward and growing to create a better future. People's lives are constantly moving forward, and only by constantly moving forward can we create a better way of life. So, let us keep this sentence in mind, keep improving, and become a better version of ourselves.