Without sacrifice nothing can be attained. But if there is anything in the world that people do not understand it is the idea of sacrifice. They think they have to sacrifice something that they have. For example, I once said that they must sacrifice ‘faith,’ 'tranquility,’ 'health.’ They understand this literally. But then the point is that they have not got either faith, or tranquility, or health. All these words must be taken in quotation marks. In actual fact they have to sacrifice only what they imagine they have and which in reality they do not have. They must sacrifice their fantasies. But this is difficult for them, very difficult. It is much easier to sacrifice real things.
— G. I. Gurdjieff