What proof does Ishmael offer that others feel the same as he does about the sea?Moby Dick

In Chapter 1 of Moby Dick, the
narrator, Ishmael, tells us how much he loves the sea and confesses that whenever he is
depressed (has the "blues"), he goes to the sea and is instantly uplifted.  He argues
that others feel this way too by providing several examples of ways other people are
uplifted by the sea.  He says that on any given Sunday afternoon, you could go anywhere
in Manhattan and find "thousands upon thousands of mortal men fixed in ocean reveries."
 The implication is that those thousands of men are there by the ocean because they love
it and it uplifts their souls.

Ishmael feels that every
human hamlet, town, and city has been constructed with a love of the water in mind.
 Melville writes, in the country "Take almost any path you please, and ten to one it
carries you down in a dale, and leaves you there by a pool in the stream.  There is
magic in it."

In Chapter 1, Melville continues by arguing
that artists and their artwork offer further proof of humankind's universal love of
water.  In most landscape paintings, Ishmael says, you will find images of water.
 Without these aqueous elements, these paintings would be uninspiring and uninteresting.
 People only like landscapes with water.