"An aphorism is a link in a chain of thoughts. It demands that the reader reconstitute this chain with his own means. An aphorism is a presumption. — Or it is a precaution, as Heraclitus knew. An aphorism must, if it is to be enjoyed, be put into contact and tempered with other material (examples, explanations, stories). Most do not understand this and for this reason one may express what is risky without risk"