A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.

When we perceive any object of a familiar kind, much of what appears subjectively to be immediately given is really derived from past experience.

The more intense has been the religion of any period and the more profound has been the dogmatic belief, the greater has been the cruelty and the worse has been the state of affairs.

In our complex world, there cannot be fruitful initiative without government, but unfortunately there can be government without initiative.

Those who advocate common usage in philosophy sometimes speak in a manner that suggests the mystique of the 'common man.'

War grows out of ordinary human nature.

I say quite deliberately that the Christian religion, as organized in its Churches, has been and still is the principal enemy of moral progress in the world.