He had the attitude that he could do anything, and therefore so can you. He put his life in my hands. So that made me do something I didn't think I c… - Walter Isaacson

the Macintosh lacked a fan, another example of Jobs’s dogmatic stubbornness. Fans, he felt, detracted from the calm of a computer. This caused many component failures and earned the Macintosh the nickname “the beige toaster,” which did not enhance its popularity.

The other sins on his list were, in order: seeming uninterested, speaking too much about your own life, prying for personal secrets (“an unpardonable rudeness”), telling long and pointless stories (“old folks are most subject to this error, which is one chief reason their company is so often shunned”), contradicting or disputing someone directly, ridiculing or railing against things except in small witty doses (“it’s like salt, a little of which in some cases gives relish, but if thrown on by handfuls spoils all”), and spreading scandal (though he would later write lighthearted defenses of gossip).

In other words, the idea for the iPad actually came before, and helped to shape, the birth of the iPhone.