Charles Webster Leadbeater

“ No number of physical bodies could fully contain the causal body, any more than any number of lines can make a square, or any number of squares can make a cube. The ego puts himself down into his various bodies with the hope of gaining two things — to make the causal body learn to respond to more vibrations, and also to increase its size. Most people are not more than just conscious in the causal body. ”

“ The adept uses the whole causal body while his consciousness is on the physical plane. A rough and ready way of deciding at what stage a man stands is to look at the causal body. It shows also how he arrived there. Men develop unequally — we are all undeveloped in some way. An animal has a minimum-sized causal body as soon as he is individualized ”