Based on the given statement above, in my opinion and own observation, I would say that I agree. People work because they need to sustain their daily needs, and because of that need, most people try to take as much as they can to support it. Giving back becomes little because there is only little that is left from work too. Hope this answers your question.
Acorn:oak is the answer I believe, because a calf is a baby cow and a cow is matured. So in this, an acorn is the seed, which is like the baby when the oak is the matured version of the seed (acorn)
