I believe the answer is archetypal symbols.
Answer - Spreadsheet
It is recommended that Randy should use a spreadsheet to set up a budget, as this would give him the ability to enter in expenses and savings, as well as set up charts and graphs that show what projections will be for current and future savings.
I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.
Answer:
The conversation between the children and the mathematical master means that children's dreams cannot be hindered by adults, even if they are frowned upon.
Explanation:
In this conversation, the children claim that they saw the happy prince who never thinks about crying for any reason. The mathematical master is intrigued and asks how the children saw this prince and they answer that they saw him in their dreams. The mathematical master disapproves of this, because he does not admit that children dream, but it is inevitable, because their dreams are unstoppable even if they are disapproved.