In "One Thousand Dollars," which is an example of something the reader knows that remains secret to other characters in the story?

One of the themes is based off of this question:

How can people give value to their life?

People can give value to their life by not being greedy. This is demonstrated when Mr. Gillian gives his $1,000 dollars to Mrs. Hayden. This can be concluded by this paragraph in the text,

"I've just come from old Tolman's," he explained.

They've been going over the papers down there.

They found a - Gillian searched his memory for a

legal term - they found an amendment or a post-

script or something to the will. It seemed that the

old boy loosened up a little on second thought and

willed you a thousand dollars. I was driving up this

way and Tolman asked me to bring you the money.

Here it is. You'd better count it to see if it's right."