Proffesors and students

[disclaimer: I'm not a professor, although I do work in a university.]

As you might expect, there's a wide variety of opinions about undergraduates (who I assume you're referring to). Most professors I know enjoy students who demonstrate an interest in their subject, make good comments and write good papers.

However, the goal of most non-tenured professors is to get tenure -- and at a university, this means doing research. While student course evaluations may be taken into account at tenure review, research potential is always the deciding factor.

Hence, for many junior faculty teaching is an additional "non-research" burden -- an enjoyable and rewarding one, but still something that detracts from research. The outlook may be different for faculty at liberal arts colleges.

To get a look into a professor's mind, I suggest looking through the archives of the Chronicle of Higher Education (try your local library) for the "First Person" columns. Or post your question on the Chronicle forums (http://www.chronicle.com) or Inside HigherEd (http://www.insidehighered.com).

There's no general answer to this one. It really depends on the teacher, professor in your case. Some find teaching fascinating as well as researching, some don't.

What makes you generalize that (most) of the professors think the same way about their students?

As a professor, I'd have to say that it really depends on the student. Eager students who genuinely show an interest in learning are my favorite type of students. But there are other types, including the students who are just trying to get by. I wouldn't say professors hate them. Rather, professors feel frustrated that they cannot find a way to motivate these students to want to learn.

Same as any other situation.  Professors like some students and dislike others they are attracted to some and repelled by others.