After falling into mental illness as a young man, the British artist Richard Dadd (1817-86) spent some 20 years as a patient at Bethlem Hospital in London. A rare example of his writings from these years survives in the form of marginalia in a copy of Lectures on Painting and Design by Benjamin Robert Haydon, held in the Morgan Library & Museum in New York. This article presents a transcription of the notes, along with an introduction setting them in the contexts of Dadd's career and his relationship with the senior staff at Bethlem.

中文翻译：

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“修剪天才”：理查德·达德 (Richard Dadd) 的边际

英国艺术家理查德·达德（Richard Dadd，1817-86 年）在年轻时患上精神疾病后，在伦敦的伯勒姆医院当了大约 20 年的病人。在纽约摩根图书馆和博物馆举办的本杰明·罗伯特·海登 (Benjamin Robert Haydon) 的《绘画与设计讲座》(Lectures on Painting and Design) 的副本中，他这些年来的一个罕见作品以边缘的形式保存下来。本文介绍了这些笔记的转录，并在爸爸的职业生涯和他与贝斯莱姆高级职员的关系中介绍了这些笔记。