How 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[Not enough is known about solid geometry] and for two reasons: in the first place, no government places value on it; this leads to a lack of energy in the pursuit of it, and it is difficult. In the second place, students cannot learn it unless they have a teacher. But then a teacher can hardly be found.
Plato