Garden Design and Architects' Gardens – William Robinson – Platanus Publishing

Such steep ground exists in many countries, and where it does, a like plan must be followed. The strictly formal in such ground is as right in its way as the lawn in a garden in the Thames valley. But the lawn is the heart of the true English garden, and as essential as the terrace is to the gardens on the steep hills.

English lawns have too often been destroyed that “geometrical” gardens may be made where they are not only needless, but harmful both to the garden and home landscape. Sometimes on level ground the terrace walls cut off the view of the landscape from the house, and, on the other hand, the house from the landscape.