Getting distracted by trifles is the easiest thing in the world… Focus on your main duty

Man is not worried by real problems so much as by his imagined anxieties about real problems

To live a life of virtue, match up your thoughts, words, and deeds.

Appearances to the mind are of four kinds. Things either are what they appear to be; or they neither are, nor appear to be; or they are, and do not appear to be; or they are not, and yet appear to be. Rightly to aim in all these cases is the wise man's task.

Whoever wants to be free, therefore, let him not want or avoid anything that is up to others. Otherwise he will necessarily be a slave.

To the rational being only the irrational is unendurable, but the rational is endurable.

Men are not afraid of things, but of how they view them.