Just as any river is enormous to someone who looks at it and who, before that time, has not seen one greater. So, too, a tree or man may also appear gigantic. With all things of every kind the largest that any man has seen he imagines as prodigious, even though all of them along with heaven and earth and ocean are nothing compared to the total sum of the universal whole.
This could be thought of as a form of anchoring, right? Like, buy a stock at X, it must be worth at least X.