The history of science can be viewed as the recasting of phenomena that were once thought to be accidents as phenomena that can be understood in terms of fundamental causes and principles.
...virtue is not merely a state in conformity with the right principle, but one that implies the right principle; and the right principle in moral conduct is prudence.
Love requires that true education should be easily accessible to all and should be of use to every villager in this daily life. The emphasis laid on the principle of spending every minute of one's life usefully is the best education for citizenship.
So the principles of warfare are: Do not depend on the enemy not coming, but depend on our readiness against him. Do not depend on the enemy not attacking, but depend on our position that cannot be attacked.
Capitalism drives the employers to do their worst to the employed, and the employed to do the least for them. And it boasts all the time of the incentive it provides to both to do their best! . . . The reason the Capitalist system has worked so far without jamming for more than a few months at a time, and then only in places, is that it has not yet succeeded in making a conquest of human nature so complete that everybody acts on strictly business principles.