As a child, I brought home a report card with all S’s, which stood for Satisfactory. My sister, who was five years older than me, had a mixture of A’s and B’s. I thought our report cards proved I was smarter because I had what I thought was the equivalent of all A’s. My older brother then proceeded to offer us a test. He went to my parents’ bookshelf and pulled out a book. He asked me to read a passage. I stumbled, only recognizing a few words. My sister read the passage flawlessly. My brother declared her the smartest.
Lesson learned. His test proved
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