It gives me great pleasure to converse with the aged. They have been over the road that all of us must travel, and know where it is rough and difficult and where it is level and easy.

The wolf cares not, how many the sheep be.

You may be sure, dear Crito, that inaccurate language is not only in itself a mistake: it implants evil in men's souls.

Courage is knowing what to fear.

Musical innovation is full of danger to the State, for when modes of music change, the laws of the State always change with them.

It is vain for the sober man to knock at poesy's door.

Rhythm and melody enter into the soul of the well-instructed youth and produce there a certain mental harmony hardly obtainable in any other way. . . . thus music, too, is concerned with the principles of love in their application to harmony and rhythm.