• Watercolour painting is notoriously difficult - so much depends on directness and speed, and certainty of intention. Tentative or fumbling touches are disastrous, for they cannot be obliterated easily.

    Walter J. Phillips: Watercolour painting is notoriously difficult - so much depends on directness and speed, and certainty of intention. Tentative or fumbling touches are disastrous, for they cannot be obliterated easily.