No. I read this book by an old communist who did all the work possible before, during and after our local civil war. She had been through imprisonment and the works. Kept study groups all the way to the age of 75.
She stated that even though revolution was not won in her lifetime she is content and assured that the work for a better tomorrow continues and will continue as long as it takes.
She said:
Sosialismi on niin suuri aate, ettei se toteudu minun elinaikanani, eikä lastenikaan. Mutta sen puolesta kannattaa tehdä työtä ja pienetkin saavutukset ovat tärkeitä.
Translation: Socialism is such a big project that it won't come to pass in my lifetime, or in the lifetime of my children. But it's worth working/laboring for. Even small acts count.
My take away from it is that this is a process and she understood that. Nobody knows how long it takes or how many times it fails or if it succeeds. If we read Marx though we know it is inevitable. Things are always in motion and will continue to be.