The dominant kind of snobbery that exists nowadays is job snobbery. You encounter it within minutes at a party, when you get asked that famous iconic question of the early 21st century, "What do you do?" According to how you answer that question, people are either incredibly delighted to see you, or look at their watch and make their excuses.
"A book can be more dangerous than a knife in the right hands."
"The legacy of a scientist is not in the papers published, but in the minds inspired."