All rules for study are summed up in this one: learn only in order to create.

The fear of speculation, the ostensible rush from the theoretical to the practical, brings about the same shallowness in action that it does in knowledge. It is by studying a strictly theoretical philosophy that we become most acquainted with Ideas, and only Ideas provide action with vigour and ethical meaning.

Since it [architecture] is music in space, as it were a frozen music.

To achieve great things we must be self-confined...mastery is revealed in limitation.

Mastery is revealed in limitation.

Nature is visible Spirit; Spirit is invisible Nature.

All rules for study are summed up in this one: learn only in order to create.