The quality of a country's institutions is the most important determinant of its success.

数学不是一项观赏性运动。你必须亲自去做才能理解它。

There are no permanent trends, only permanent users.

The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion, but allow very lively debate within that spectrum.

A true writer always stands in opposition to power.

Progress requires both courage and humility.