Duties.

Fulfil your duties.

At dawn, when you have trouble getting out of bed, tell yourself: "I have to go to work — as a human being. What do I have to complain of, if I’m going to do what I was born for."

Don't let yourself be dragged around.

Accepting our fate is a fundamental part of leading a fulfilling life. In this passage, I compare a dog tied to a cart to human beings. A dog must follow the cart's direction when attached to it. It has no choice in the matter.