What does bob dylan say is the consequence of not changing?

In The Times are A'Changing by Bob Dylan, we can best observe his opinion about change. In this song, the speaker tells the audience as a general public and as specific people (journalists, politicians, parents, etc.) that times are changing and they need to adapt and change as well. He clarifies that those who won't change, will face imminent failure in various degrees.

So what's needed to be done?