“Without self knowledge, without understanding the working and functions of his machine, man cannot be free, he cannot govern himself and he will always remain a slave.”

“Love without knowledge is demonic.”

“Meat is necessary when there is hard physical work to be done, or in a very cold climate, or when edible plants cannot be found...Animal flesh provides all the substances we need, both for the intensive working of our organism and for maintaining a normal temperature in cold climates.”

“It is very difficult also to sacrifice one's suffering. A man will renounce any pleasures you like but he will not give up his suffering.”

“I ask you to believe nothing that you cannot verify for yourself.”

“Man must use what he has, not hope for what is not.”

“Knowledge can be acquired by a suitable and complete study, no matter what the starting point is. Only one must know how to 'learn.' What is nearest to us is man; and you are the nearest of all men to yourself. Begin with the study of yourself; remember the saying 'Know thyself.”