Modern historians have suggested that in his last years he (Richard II) was overtaken by mental disease, but… — Barbara W. Tuchman

Modern historians have suggested that in his last years he (Richard II) was overtaken by mental disease, but that is only a modern view of the malfunction common to 14th century rulers: inability to inhibit impulse.

p. 534Source: Wikiquote · CC BY-SA 4.0