There are many truths of which the full meaning cannot be realized until personal experience has brought it home.

All desirable things... are desirable either for the pleasure inherent in themselves, or as a means to the promotion of pleasure and the prevention of pain.

The only power deserving the name is that of masses, and of governments while they make themselves the organ of the tendencies and instincts of masses.

The despotism of custom is everywhere the standing hindrance to human advancement.

It is a bitter thought, how different a thing the Christianity of the world might have been, if the Christian faith had been adopted as the religion of the empire under the auspices of Marcus Aurelius instead of those of Constantine.

But society has now fairly got the better of individuality; and the danger which threatens human nature is not the excess, but the deficiency, of personal Impulses and preferences.

It appears, then, to be a condition of a genuinely scientific hypothesis, that it be not destined always to remain an hypothesis, but be certain to be either proved or disproved by.. .comparison with observed facts.