Through Plato, Aristotle came ...

Through Plato, Aristotle came to believe in God; but Plato never attempted to prove His reality. Aristotle had to do so. Plato contemplated Him; Aristotle produced arguments to demonstrate Him. Plato never defined Him; but Aristotle thought God through logically, and concluded with entire satisfaction to himself that He was the Unmoved Mover.
 Edith Hamilton

Quotes from the same author

When the world is storm-driven and bad things happen, then we need to know all the strong fortresses of the spirit which men have built through the ages.
 Edith Hamilton
To be able to be caught up into the world of thought-that is educated.
 Edith Hamilton
We must not contradict, but instruct him that contradicts us; for a madman is not cured by another running mad also. To be able to be caught up into the world of thought -- that is being educated.
 Edith Hamilton
It has always seemed strange to me that in our endless discussions about education so little stress is laid on the pleasure of becoming an educated person, the enormous interest it adds to life. To be able to be caught up into the world of thought-that is to be educated.
 Edith Hamilton
Freedom was born in Greece because there men limited their own freedom. ... The limits to action established by law were a mere nothing compared to the limits established by a man's free choice.
 Edith Hamilton