External reality is sort of an affectation of the nervous system.
The series of integers is obviously an invention of the human mind, a self-created tool which simplifies the ordering of certain sensory experiences.
Truth does not lie beyond humanity, but is one of the products of the human mind and feeling.
Consciousness is an illusion constructed by the memes.
Time is an abstraction which, on earth, exists only for the human brain it has evolved.
To every separate person a thing is what he thinks it is – in other words, not a thing, but a think.
In a world where people believe in something, then it does exist.
I think I made you up inside my head.
Laws of nature are human inventions, like ghosts. Laws of logic, or mathematics are also human inventions, like ghosts. The whole blessed thing is a human invention, including the idea that it isn't a human invention.