When therefore we are hindered, or disturbed, or grieved, let us never attribute it to others, but to ourselves; that is, to our own principles. An uninstructed person will lay the fault of his own bad condition upon others. Someone just starting instruction will lay the fault on himself. Some who is perfectly instructed will place blame neither on others nor on himself.

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.

In the long run, every man will pay the penalty for this own misdeeds.

Against specious appearances we must set clear convictions, bright and ready for use. When death appears as an evil, we ought immediately to remember that evils are things to be avoided, but death is inevitable.

We should do everything both cautiously and confidently at the same time.

Make the best use of what is in your power, and take the rest as it happens.

When you want to hear a philosopher, do not say, 'You say nothing to me'; only show yourself worthy or fit to hear, and then you will see how you will move the speaker.