 Rava would ask the Rabbis (his disciples) not to appear before him during Nisan (when corn ripened) and Tishrei (when people pressed grapes and olives) so that they might not be anxious about their food supply during the rest of the year.Rabbi Eleazar deduced from that God created people to study Torah.Rabbi Eleazar deduced from "Yet man is born for toil just as sparks fly upward," that all people are born to work.