The central idea of this is how he warned everyone that the british are comming
Answer:
basically, the quote is saying to take the unlucky bad things and make something good outta it. when life gives you lemons means when life gives you hardships. you make lemonade means you make something good out of the hardships. Hence the meaning of "when life gives you lemons you make lemonade."
Explanation:
It would help if I knew what book it was but I'm since I don't I am going to go with the fact that it is foreshadowing. Say yellow means happy as the sun well. We have the Yellow wallpaper yes. Say the yellow wallpaper starts to fade and pill that is the foreshadowing.