The fear of death is indeed the pretence of wisdom, and not real wisdom, being the appearance of knowing the unknown.

Reality is created by the mind, we can change our reality by changing our mind.

For the rhapsode ought to interpret the mind of the poet to his hearers, but how can he interpret him well unless he knows what he means?

Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.

Is what is moral commanded by God because it is moral, or is it moral because it is commanded by God?

How can you prove whether at this moment we are sleeping, and all our thoughts are a dream; or whether we are awake, and talking to one another in the waking state?

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.