Yet.
Yesterday I was
Everlasting soul I am
Today I can change
I understand and it's true, with "yet" inserted. This process is just beginning. It will take time, perhaps two or more generations, but it is happening.
Two days ago I published a poem in which I too expressed some doubts. https://medium.com/write-under-the-moon/the-cycles-of-lives-and-perhaps-epochs-d072f9ca3b15 In a comment thread, a deep thinker and excellent writer, Gavin Sher, left this comment a few hours ago, which increased my confidence. https://medium.com/@gavin.sher/this-is-the-kind-of-place-where-i-feel-a-bit-frustrated-as-a-writer-5434e84fe4a8