谁若不能独立，谁就谈不上自由。

The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.

When a diverse and inclusive environment is created, all members of the community are more likely to succeed.

The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.

No matter how good you get you can always get better, and that's the exciting part.