Even one's age may become ground for conceit. All such things become encumbrances or baggage if there is no critical awareness. III, p. 173. III, p. 159. Hard work is like a load placed before us, challenging us to shoulder it.
Some loads are light, some heavy.
That is not a good attitude. They are good comrades. We should all learn from their communist spirit. There are not a few people who are irresponsible in their work, preferring the light to the heavy, shoving the heavy loads on to others and choosing the easy ones for themselves. At every turn they think of themselves before others.