From a letter he wrote in 1792

Not a great sentiment but no context is given either. Washington was a product of his time. Stumbled across this good paper which attempts to provide some light based on the society and culture of the time in which Washington was alive. https://chnm.gmu.edu/courses/henriques/hist615/gwslav.htm It doesn't seek to condemn or exonerate Washington but merely tries to provide some needed context.