A friend to all is a friend to none – Aristotle

My best friend is the man who in wishing me well wishes it for my sake – Aristotle

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

What it lies in our power to do, it lies in our power not to do – Aristotle

The aim of art is to represent not the outward appearance of things, but their inward significance – Aristotle

All paid jobs absorb and degrade the mind – Aristotle