Atheism is a disease of the soul before it becomes an error of understanding.

Human beings have Love for one another inborn in them - Love, reassembler of our ancient nature, who tries to make one out of two and to heal human nature.

A man is not learned until he can read, write and swim.

Every serious man in dealing with really serious subjects carefully avoids writing. ... There does not exist, nor will there ever exist, any writing of mine dealing with this subject.

There is no other start to philosophy but wonder.

Too much attention to health is a hindrance to learning, to invention, and to studies of any kind, for we are always feeling suspicious shootings and swimmings in our heads, and we are prone to blame studies from them.

True friendship can exist only between equals.