“To see what is right and not to do it is want of courage.”

-Confucius

You may see and be able to know it is right but you may have a reason why you don’t want to continue doing it. Yet that is the need of courage!  

“Be always sure your right, then go ahead.”

-Davy Crockett

What I think that this statement means is that be careful and surely sure that you know what you are doing is right then its okay for you to go ahead. But if you don’t know what you are doing then it all depends on you. 

“You must never be fearful about what you are doing when it is right.”

-Rosa Parks

What I think that this stamen means is that fear is only when you know that you will get someone wrong out of it. But if you know that they are doing the right thing then there is nothing to fear because it is the right!