Memory is like a collage - some bits sharp, some faded, all rearranged over time.

"We are all the heroes of our own stories."

The worst kind of person is someone who makes someone feel bad, dumb or stupid for being excited about something.

地球是一个圆点。月亮是一个圆点。太阳是一个圆点。星星是圆点。

Safety must always come first in mining operations.

Don’t ask yourself what the world needs. Ask yourself what makes you come alive and then go do that， because what the world needs is people who have come alive.

If liberty means anything at all, it means the right to tell people what they do not want to hear.

Innovation should never be a one-time event; it must be ingrained in the culture of the organization.