The charlatan takes very different shapes according to circumstances; but at bottom he is a man who cares nothing about knowledge for its own sake, and only strives to gain the semblance of it that he may use it for his own personal ends, which are always selfish and material.

If the world were a paradise of luxury and ease, a land flowing with milk and honey, where every Jack obtained his Jill at once and without any difficulty, men would either die of boredom or hang themselves; or there would be wars, massacres, and murders; so that in the end mankind would inflict more suffering on itself than it has now to accept at the hands of Nature.

People who pass their lives in reading and acquire their wisdom from books are like those who learn about a country from travel descriptions: they can impart information about a great number of things, but at bottom they possess no connected, clear, thorough knowledge of what the country is like. On the other hand, people who pass their lives in thinking are like those who have visited the country themselves: they alone are really familiar with it, possess connected knowledge of it and are truly at home in it.

A book can never be anything more than the impression of its author’s thoughts [Ein Buch kann nie mehr seyn, als der Abdruck der Gedanken des Verfassers]. The value of these thoughts lies either in the matter about which he has thought, or in the form in which he develops his matter — that is to say, what he has thought about it.

Descartes is rightly regarded as the father of modern philosophy primarily and generally because he helped the faculty of reason to stand on its own feet by teaching men to use their brains in place whereof the Bible, on the one hand, and Aristotle, on the other, had previously served.

Optimism is not only a false but also a pernicious doctrine, for it presents life as a desirable state and man's happiness as its aim and object. Starting from this, everyone then believes he has the most legitimate claim to happiness and enjoyment. If, as usually happens, these do not fall to his lot, he believes that he suffers an injustice, in fact that he misses the whole point of his existence.

Works in ChatGPT, Claude, or Any AI

Add semantic quote search to your AI assistant via MCP. One command setup.

Sociability belongs to the most dangerous, even destructive inclinations, since it brings us into contact with beings the great majority of whom are morally bad and intellectually dull or perverted.