Authors:

At fifty, that is in 1880, I formulated the idea of unity, without being able to render it. At sixty, I am beginning to see the possibility of rendering it.

"Painting Outside the lines, Patterns of Creativity in Modern Art". Book by David W. Galenson, p. 84, June 30, 2009.
At fifty, that is in 1880, I formulated the idea of unity, without being able to render it. At sixty, I am beginning to see the possibility of rendering it.