Authors:

The cure for him would be to take a good long look at some potato plants, which have lately had such a deep and distinctive colour and tone, instead of driving himself mad looking at pieces of yellow satin and gold leather.

Vincent van Gogh (2014). “Delphi Complete Works of Vincent van Gogh (Illustrated)”, p.2000, Delphi Classics
The cure for him would be to take a good long look at some potato plants, which have lately had such a deep and distinctive colour and tone, instead of driving himself mad looking at pieces of yellow satin and gold