And all knowledge, when separated from justice and virtue, is seen to be cunning and not wisdom; wherefore make this your first and last and constant and all-absorbing aim, to exceed, if possible, not only us but all your ancestors in virtue; and know that to excel you in virtue only brings us shame, but that to be excelled by you is a source of happiness to us.
PlatoThe love, more especially, which is concerned with the good, and which is perfected in company with temperance and justice, whether among gods or men, has the greatest power, and is the source of all our happiness and harmony, and makes us friends with the gods who are above us, and with one another.
PlatoFor it is obvious to everybody, I think, that this study [of astronomy] compels the soul to look upward and leads it away from things here to higher things.
PlatoHow well I remember the aged poet Sophocles, when in answer to the question, "How does love suit with age, Sophocles - are you still the man you were?" he replied, "Peace, most gladly have I escaped the thing of which you speak; I feel as if I had escaped from a mad and furious master."
Plato