Extreme hopes are born from extreme misery.
If a philosophy is to bring happiness it should be inspired by kindly feelings. Marx pretended that he wanted the happiness of the proletariat; what he really wanted was the unhappiness of the bourgeois.
The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.
How about Pithecanthropus Erectus? Was it really he who ate the apple? Or was it Homo Pekiniensis?
Do not use power to suppress opinions you think pernicious, for if you do the opinions will suppress you.