The knowledge so acquired is related to the material universe and the senses.

They are capable of knowing only the material universe.

The eye is the door through which the material universe enters.

Further according to Richard, it is the aim of science to explain the material universe.

What is the relationship between the abstract world of mathematics and the material universe?

Now, if the material universe is of finite age, that rules out (a).

Information cannot travel through the material universe faster than light.

His mind appeared to be on another level of existence altogether, totally separate from the material universe.

To understand the material universe, you must first become divorced from it as we are.

However, it also believes that a god or gods are greater than the material universe.