I'm gonna say <span>neutral connotation.</span>
Answer:
The connotation suggests that the new glasses will break even more easily than the others.
Explanation:
If you're referring to the one who quote that sentence, it would be unknown, but it is a really famous quote.
If
you wanted to restates the main idea of this quotation , it would be :
it's not good to criticize others because we don't know that they face
in life.
hope this helps!