Men regard it as their right to return evil for evil and, if they cannot, feel they have lost their liberty.

Every great genius has an admixture of madness.

Masculine republics give way to feminine democracies, and feminine democracies give way to tyranny.

For through wondering human beings now and in the beginning have been led to philosophizing.

Poetry is finer and more philosophical than history; for poetry expresses the universal, and history only the particular.

A man becomes a friend whenever being loved he loves in return.

Youth should be kept strangers to all that is bad, and especially to things which suggest vice or hate. When the five years have passed away, during the two following years they must look on at the pursuits which they are hereafter to learn. There are two periods of life with reference to which education has to be divided, from seven to the age of puberty, and onwards to the age of one and twenty.