皮革的真正价值在于其耐用性和永恒的吸引力，而不仅仅是其美观性。

唯一真正的光是灵魂的光。

The artist must be in his work as God is in creation, invisible and all-powerful; one must sense him everywhere but never see him.

心理学的方法必须像自然科学的方法一样精确。