Philosophy is the science which considers truth.

And what has come to prevail in democracies is the very reverse of beneficial, in those, that is, which are regarded as the most democratically run. The reason for this lies in the failure properly to define liberty. For there are two marks by which democracy is thought to be defined: "sovereignty of the majority" and "liberty." "Just" is equated with what is equal, and the decision of the majority as to what is equal is regarded as sovereign; and liberty is seen in terms of doing what one wants.

All teaching and all intellectual learning come about from already existing knowledge.

It is not sufficient to know what one ought to say, but one must also know how to say it.

Those who excel in virtue have the best right of all to rebel, but then they are of all men the least inclined to do so.

. .we would have to say that hereditary succession is harmful. You may say the king, having sovereign power, will not in that case hand over to his children. But it is hard to believe that: it is a difficult achievement, which expects too much virtue of human nature.

Selfishness doesn't consist in a love to yourself, but in a big degree of such love.