Stepchildren are at greater risk because evolutionary pressures have shaped parental psychology to favor genetic offspring.

I'm the reason you like hip-hop.

Invention is not enough. Tesla invented the electric power we use, but he struggled to get it out to people. You have to combine both things: invention and innovation focus, plus the company that can commercialize things and get them to people.

真相很少是纯粹的，也从不简单。