‘As iron is eaten away by rust, so the envious are consumed by their own passion.’ – Antisthenes

‘Pay attention to your enemies, for they are the first to discover your mistakes.’ – Antisthenes

‘There are only two people who can tell you the truth about yourself – an enemy who has lost his temper and a friend who loves you dearly.’ – Antisthenes

‘The most useful piece of learning for the uses of life is to unlearn what is untrue.’ – Antisthenes

‘Observe your enemies, for they first find out your faults.’ – Antisthenes

‘As iron is eaten away by rust, so the envious are consumed by their own passion.’ – Antisthenes

‘Pay attention to your enemies, for they are the first to discover your mistakes.’ – Antisthenes

‘There are only two people who can tell you the truth about yourself – an enemy who has lost his temper and a friend who loves you dearly.’ – Antisthenes

‘The most useful piece of learning for the uses of life is to unlearn what is untrue.’ – Antisthenes

‘Observe your enemies, for they first find out your faults.’ – Antisthenes

‘Quarrels often arise in marriages when the bridal gifts are excessive.’ – Antisthenes

‘I am sadly afraid that I must have done some wicked thing.’ – Antisthenes

‘Not to unlearn what you have learned is the most necessary kind of learning.’ – Antisthenes