i had no idea what i wanted to do with my life and no idea how college was going to help me figure it out.

The Mona Lisa, to me, is the greatest emotional painting ever done. The way the smile flickers makes it a work of both art and science, because Leonardo understood optics, and the muscles of the lips, and how light strikes the eye - all of it goes into making the Mona Lisa's smile so mysterious and elusive.

What Einstein was able to do was - to use a cliche - think out of the box.

He had the uncanny capacity to know exactly what your weak point is, know what will make you feel small, to make you cringe," Joanna Hoffman said. "It's a common trait in people who are charismatic and know how to manipulate people. Knowing that he can crush you makes you feel weakened and eager for his approval, so then he can elevate you and put you on a pedestal and own you.

If you truly have a passion for what you do, you will care even about the parts unseen.

The childhood that Paul and Clara Jobs created for their new son was, in many ways, a stereotype of the late 1950s. When Steve was two they adopted a girl they named Patty, and three years later they moved to a tract house in the suburbs.

I've asked Jobs why he didn't get an operation then and he said, 'I didn't want my body to be opened... I didn't want to be violated in that way.'