That's because your soul isn't essentially your existence as popularily thought. The soul is what we treasure the most. When counting people that are in great need we often use 'soul' to make it more personal, these aren't just bodies they are souls.
Admittedly words don't make it real, but is indeed a good reflection of how we relate and perceive ourselves (as it is - with some exceptions - the only reflection). Words and phrases often tell of a underlying truth though, that's why the particular words and phrases are used, because it touches on the truth we want to describe.
Words can't describe the contempt I feel for science as it tries to take away as much meaning as possible from anything it happens to cross, but as much contempt I have I still have to accept it, because that is the function of science. It's the job it has to do. It shows knowledge, just remember that knowledge isn't the only truth and anyone trying to pursuade that to you is just taking his job home.