they both sound the same however they are spelt differently and have two completely different meanings pickle is a food and nickel is an american currency
Mrs. Flowers says that Marguerite must understand that people come from different life circumstances. She must be tolerant of ignorance and understanding of illiteracy. She explains that some of the greatest thinkers and humanitarians in history never opened a book.
Mechanical teacher was just a machine or computer which can teach but according to the level set without any kind of emotions whereas human teacher can make learning more easier according to the level of students who can understand their emotions as well.