Who said "He who is of a calm and happy nature willhardly feel the pressure of age, but to him who is of an opposite disposition youth and age are equally a burden:"
Plato established an important method which has been passed down through the ages. That is that, when one has a problem that has already been solved, one can work backwards from it until a statement can be reached of which the veracity has already been determined. In other words, a method of attaining proofs. In which of his works was this method established?
The origins of the fallacious insistence that the universe is perfect and that all planetary bodies make perfectly circular motions in their orbits is often traced to the works of Aristotle. But did Plato share these views:
