The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.

The best way to learn about poverty is to go out and talk to the poor themselves.

Success is not about how much money you make, it's about the difference you make in people's lives.

"The only thing we can be sure of about the future is that it will be different."

在背后夸奖别人。这会传回到你自己那里。

The thrill of discovery never gets old.