Dogmatism and scepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or of ignorance.
Collective fear stimulates herd instinct, and tends to produce ferocity towards those who are not regarded as members of the herd.
As soon as we abandon our own reason, and are content to rely upon authority, there is no end to our troubles.
After ages during which the earth produced harmless trilobites and butterflies, evolution progressed to the point at which it generated Neros, Genghis Khans, and Hitlers. This, however, is a passing nightmare; in time the earth will become again incapable of supporting life, and peace will return.