Meaning of exemplary ​

When something is the best it can be or reaches the highest point, it is exemplary and thus worth imitating. Exemplary comes from the Latin exemplum, meaning "sample" or "example." While some people and things are held as examples of what not to do, an exemplary person or thing is always a positive example

Something's exemplary would something that is the best of its kind in simpler words exemplary is equivalent to perfect or an ideal model.

Jefferson and Stanton believe to their causes to acknowledge the difficulty of challenging the status quo. The similar excerpts is a powerful tool to express their struggles and urged people to make an action to end destruction. Indeed, change is difficult especially if the change will affect those who are in the spotlight.