Quote from Frederick Charles Copleston, A History of Philosophy, Vol. 1: Greece and Rome, From the Pre-Socratics to Plotinus

[O]ther thinkers have philosophised since the time of Plato, but that does not destroy the interest and beauty of his philosophy

Frederick Charles Copleston, A History of Philosophy, Vol. 1: Greece and Rome, From the Pre-Socratics to Plotinus