The adoption of the required attitude of mind towards ideas that seem to emerge "of their own free will" and the abandonment of the critical function that is normally in operation against them seem to be hard of achievement for some people. The "involuntary thoughts" are liable to release a most violent resistance, which seeks to prevent their emergence. If we may trust that great poet and philosopher Friedrich Schiller, however, poetic creation must demand an exactly similar attitude.

The dream is the liberation of the spirit from the pressure of external nature, a detachment of the soul from the fetters of matter.

Men are more moral than they think and far more immoral than they can imagine.

A belligerent state permits itself every such misdeed, every such act of violence, as would disgrace the individual.

Whatever fosters the growth of civilization works at the same time against war.

Smoking is indispensable if one has nothing to kiss.

Men are strong so long as they represent a strong idea they become powerless when they oppose it.