You cannot hope to make any progress in any area without putting in the effort. [Epictetus, D 2.17]

What sense does it make to fret and fume—as if your troubles are going to last forever? [Marcus Aurelius, M 5.23]

You say, "I did not think this would happen," and "would you ever have believed that this would have happened?". But why not? [Seneca, T 11]

We all talk about good and evil, useful, and harmful. It’s all in our vocabulary. But do we understand how to apply them correctly? [Epictetus, D 2.17]

In the totality of everything, yours is a small share. In the totality of time, yours is a brief instant. In the totality of destiny, yours is a puny part. [Marcus Aurelius, M 5.24]

Know then that every human condition is temporary and that what has ever happened to anybody can happen to you too. [Seneca, T 11]

Just look at yourself. If you are good at applying your intuitive concepts properly, why are you unhappy and obstructed? [Epictetus, D 2.17]

Has anyone done me wrong? Let them take care of it. Their character and actions are theirs. [Marcus Aurelius, M 5.25]

Unless you expect that whatever can happen will happen to you, you give adversity power over you. [Seneca, T 11]

Make it so that whatever happens is what you want to happen. How can you then be unhappy? [Epictetus, D 2.17]

Let no emotions of pleasure or pain affect your supreme part—your mind. [Marcus Aurelius, M 5.26]

Avoid doing meaningless work or work whose purpose is trivial. [Seneca, T 12]

But how can you call yourself educated, if you still experience envy, pity, jealousy, and fear and complain everyday about your condition and about God [Epictetus, D 2.17]

Live with the gods. How? By showing them that you accept whatever they give you and doing whatever they ask of you. [Marcus Aurelius, M5.27]

Don’t desire things that you cannot achieve and those which, once achieved after much sweat, make you realize they were not worth going after. [Seneca, T 12]

Throw away this conceit that you possess any useful knowledge. Approach philosophy like you would music or mathematics. Otherwise you won’t even come close to making any progress. [Epictetus, D 2.17]

You can live on earth like you mean to live in the hereafter. [Marcus Aurelius, M 5.29]

Our effort should not be without a result, and the result should be worthy of our effort. [Seneca, T 12]

Why is it that when you want something, it doesn’t come about, and when you don’t want it, it comes about? For that’s very strong proof that you are in a troubled and unfortunate state. [Epictetus, D 2.17]

I am my own master, and no one can hinder me from doing what I choose. I choose to live in accordance with nature as a reasonable member of a social community. [Marcus Aurelius, M 5.29]