Evil does not have its ground in God, for in God there is no idea of evil.
 Bertrand Russell, A History of Western Philosophy (1945). copy citation

Context

“The creature subsists in God, and God manifests Himself in the creature in an ineffable manner. “The Holy Trinity loves Itself in us and in Itself;† It sees and moves Itself.” Sin has its source in freedom: it arose because man turned towards himself instead of towards God. Evil does not have its ground in God, for in God there is no idea of evil. Evil is not-being and has no ground, for if it had a ground it would be necessary. Evil is a privation of good. The Logos is the principle that brings the many back to the One, and man back to God; it is thus the Saviour of the world.” source