Pathos is a quality of an experience in life, or a work of art, that stirs up emotions of pity, sympathy, and sorrow. Pathos can be expressed through words, pictures, or even with gestures of the body.
Ethos (sometimes called an appeal to ethics), then, is used as a means of convincing an audience via the authority or credibility of the persuader, be it a notable or experienced figure in the field or even a popular celebrity.
Ethos or the ethical appeal, means to convince an audience of the author's credibility or character. Pathos or the emotional appeal, means to persuade an audience by appealing to their emotions. ... Pathos is the Greek word for both “suffering” and “experience.” The words empathy and pathetic are derived from pathos.