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!
He discovers how to animate lifeless matter
^^^^^^^^^^^^
The correct answer for this question is this one: "<span>Anthony suggests that since the plight of women is like that of formerly enslaved African American men, women are entitled to protection under the Fifteenth Amendment." That shows the argument that Anthony is making.
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