It is impossible for a man to learn what he thinks he already knows.Epictetus
“Do not say of anything that 'I have lost it,' but that 'I have given it back.'”
Stoic philosopher · 50 – 135
Epictetus was a Greek-born slave in Rome who won his freedom and became one of the most influential Stoic teachers. His Discourses and the handbook known as the Enchiridion teach that freedom lies in mastering one's own judgments and desires.
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If you wish to be a writer, write.Epictetus

Men are disturbed, not by things, but by the principles and notions which they form concerning things.Epictetus
He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.Epictetus

First say to yourself what you would be; and then do what you have to do.Epictetus

Do not seek to have events happen as you want them to, but instead want them to happen as they do happen, and your life will go well.Epictetus

The greater the difficulty, the more glory in surmounting it. Skillful pilots gain their reputation from storms and tempests.Epictetus

Practice yourself, for heaven's sake, in little things; from them proceed to greater.Epictetus