It is the mark of an educated mind to be able to entertain a thought without accepting it – Aristotle

The energy of the mind is the essence of life – Aristotle

Youth is easily deceived because it is quick to hope – Aristotle

The roots of education are bitter, but the fruit is sweet – Aristotle

No one would choose a friendless existence on condition of having all the other things in the world – Aristotle

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