The one exclusive sign of thorough knowledge is the power of teaching – Aristotle

Well begun is half done – Aristotle

Dignity does not consist in possessing honors, but in deserving them – Aristotle

Friendship is a single soul dwelling in two bodies – Aristotle

Quality is not an act, it is a habit – Aristotle

Poetry is finer and more philosophical than history; for poetry expresses the universal, and history only the particular – Aristotle