the next ray symbolises our present primitive human stages, which will soon be a thing of the past on the earth. the last ray but one before the yellow rays symbolises civilised human beings. they are geniuses as regards creating in physical matter.

Make this proper case.
The next ray symbolises our present primitive human stages, which will soon be a thing of the past on the Earth. The last ray but one before the yellow rays symbolises civilised human beings. They are geniuses as regards creating in physical matter.