Paris recognizes Romeo as the man who did murder Tybalt (and Juliet by proxy) and assumes that Romeo has arrived with the intentions of desecrating the corpses of Romeo and/or Tybalt.
Rationalism as a time period was reflected in art that dealt with importance of education, classical influences, importance of hard work, etc.
Willingness is the intention to do something or preform an action.
you have to be more specific .....