Why, do you not know, then, that the origin of all human evils, and of baseness, and cowardice, is not death, but rather the fear of death?

When any person treats you ill or speaks ill of you, remember that he does this or says this because he thinks it is his duty. It is not possible, then, for him to follow that which seems right to you, but that which seems right to himself.

Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

It is not my place in society that makes me well off, but my judgements, and these I can carry with me... These alone are my own and cannot be taken away.

You know yourself what you are worth in your own eyes; and at what price you will sell yourself. For men sell themselves at various prices. This is why, when Florus was deliberating whether he should appear at Nero's shows, taking part in the performance himself, Agrippinus replied, 'Appear by all means.' And when Florus inquired, 'But why do not you appear?' he answered, 'Because I do not even consider the question.'

Fortify yourself with contentment, for this is an impregnable fortress.

To be getting an education means this: to be learning what is your own, and what is not your own.