He was full of excitement and enthusiasm at the idea.

But his mother was not willing to allow him to go.
The weather was lowering.

She thought that he had not yet fully recovered his health; and she was afraid of other dangers.

Instead of saying calmly, after a moment's reflection, to show that her answer was a deliberate one, that he could not go, and then quietly and firmly, but without assigning any reasons, adhering to her decision--a course which, though it could not have saved the boy from emotions of disappointment, would be the best for making those feelings as light and as brief in duration as possible--began to argue the case thus; "Oh no, Egbert, I would not go a-fishing this afternoon, if I were you.

I think it is going to rain.