“The chess pieces are the block alphabet
which shapes thoughts; and these thoughts, although
making a visual design on the chess-board,
express their beauty abstractly, like a poem...
I have come to the personal conclusion
that while all artists are not chess players,
all chess players are artists.”
This and other stimulating statements from Duchamp are available here.
During these days of celebration of the life of Muhammad Ali (1942-2016) I have refreshed my memory of his notable quotes (many of which are found here). Here is one with some numbers:
A man who views the world
the same at 50
as he did at 20
has wasted 30 years of his life.