What are examples of pathos, logos, ethos in "letter from Birmingham jail"

One example of Ethos is:

You may well ask: "Why direct action? Why sit in, marches and so forth? Isn't negotiation a better path?" You are quite right in calling for negotiation.

One example of Pathos is:

But more basically, I am in Birmingham because injustice is here.

One example of Logos is:

You express a great deal of anxiety over our willingness to break laws. This is certainly a legitimate concern.