When a man is proud because he can understand and explain the writings of Chrysippus, say to yourself, 'if Chrysippus had not written obscurely, this man would have had nothing to be proud of.'

It is unreasonable to think we can earn rewards without being willing to pay their true price. It is always our choice whether or not we wish to pay the price for life's rewards.

Progress is not achieved by luck or accident, but by working on yourself daily.

We have two ears and one mouth so that we can listen twice as much as we speak.

Does a man reproach thee for being proud or ill-natured, envious or conceited, ignorant or detracting? Consider with thyself whether his reproaches are true. If they are not, consider that thou art not the person whom he reproaches, but that he reviles an imaginary being, and perhaps loves what thou really art, though he hates what thou appearest to be.

What ought one to say then as each hardship comes? I was practicing for this, I was training for this.

Let silence be your general rule; or say only what is necessary and in few words.