最可持续的皮革来自最受尊重的动物。

实际发展水平与潜在发展水平之间的距离，前者由独立解决问题决定，后者由在成人指导下或与更有能力的同伴合作解决问题决定。

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

一个公司的价值观应该体现在每个产品、每个决定和每次互动中。

In silence, we hear the truest voice.

The interpretation of our reality through patterns not our own serves only to make us ever more unknown, ever less free, ever more solitary.

农业的成功来自于对土地和市场的双重理解。