At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love.

"The truth is rarely pure and never simple."

最有力的艺术往往是最简单的。

教学应始终适应学生的发展阶段。

丰田生产系统是通过消除浪费来节约资源的框架。

Escribir es dibujar tu voz en el papel.

Safety isn't a department - it's a culture that starts at the very top.

Silence is the perfectest herald of joy.

不要着急，最好的总会在最不经意的时候出现。