In May of 1890, he seemed much better and went to live in Auvers-sur-Oise under the watchful eye of Dr. Gachet. Two months later he was dead, having shot himself "for the good of all." During his brief career he had sold one painting. Van Gogh's finest works were produced in less than three years in a technique that grew more and more impassioned in brushstroke, in symbolic and intense color, in surface tension, and in the movement and vibration of form and line. Van Gogh's inimitable fusion of form and content is powerful; dramatic, lyrically rhythmic, imaginative, and emotional, for the artist was completely absorbed in the effort to explain either his struggle against madness or his comprehension of the spiritual essence of man and nature.