I think it is the need for change to make things easier. He wanted to make a phone or computer, extremely user-friendly and stylish, so that people can change their perspective of phones and computers. For example, many phones before the iPhone didn't have a keyboard, and people liked it, but after the iPhone without keyboard was introduced, people started to change and they liked it better.
What drives me
It is the fact that we only live once, so i want to give my best and not have any regrets about my life when my life comes to an end.