3. When people are doing the right thing, they do not care if they experience harm.
The allusion to the proverb "Every rose has its thorn" in line 5 emphasizes the idea that embracing noble impulses and striving for clarity and righteousness may lead to pain or struggle, but it is worth enduring for the greater good. It suggests that even in the face of challenges or difficulties, it is important to continue on the path of doing what is right.