When Cook turned the spotlight on someone, he hammered them with questions until he was satisfied. “Why is that?” “What do you mean?” “I don’t understand. Why are you not making it clear?” He was known to ask the same exact question 10 times in a row.

Once upon a time I had a boss who was verbally abusive of everyone he met, loose with the law and prone to what can only be called temper tantrums.

He was also a genius.

And one of his staples in a meeting was the same thing that quote above explains about Tim Cook. Eventually I was ready for it every time, and it’s a valuable lesson.