brachot 35

benefitting from the fruit that spring from the world, are we good enough for another hand to do our work, leaving us to the world of letters?

or should we have hands-on knowledge about where our food really comes from.

(discussion about blessings said before food, and learning the difference between different types of food and, leads into a debate about the balance between work and study. for english translation of this talmud page see here)