Should the human race be worried by the rise of robots?

I come to simply answer this question with this famous quotes from Francois Rabelais stating that

“Science without conscience is the soul's perdition.” 

 and therefore to conclude by saying that it is not the robots we need to worry about , but rather the people who programme. Knowledge itself has never been a crime, we may decide to use it for the good or the bad. Injecting little ethical values in anything we do or create will definitely put an end to such doubt and pave a way for a better world. This world of peace and love, of fraternity and tolerance, of justice and democracy among people without any discrimination based on gender, race, faith, social status...