Education is not just about building schools, but about ensuring children actually learn.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

La identidad no es un punto de partida, sino un resultado.

从我巨大的悲伤中，我创作出我的小歌谣。

地质时间不仅漫长，而且复杂，过程以截然不同的速率运行。

心里要保持清明笃定的精神状态，行为上要践行符合规律的处事方式，做到内在心神与外在言行的统一。

The most beautiful things are often the simplest.

法律规则不是命令，而是行为标准。