It was Plato, according to Sosigenes, who set this as a problem for those concerned with these things, through what suppositions of uniform and ordered movements the appearances concerning the movements of the wandering heavenly bodies could be preserved.

Every heart sings a song, incomplete, until another heart whispers back. Those who wish to sing always find a song. At the touch of a lover, everyone becomes a poet.

Dictatorship naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme liberty.

Those who reproach injustice do so because they are afraid not of doing it but of suffering it.

Let no one destitute of geometry enter my doors.

The democratic youth lives along day by day, gratifying the desire that occurs to him, at one time drinking and listening to the flute, at another downing water and reducing, now practicing gymnastic, and again idling and neglecting everything; and sometimes spending his time as though he were occupied in philosophy.

To begin with the wine jar in learning the potter's art.