Seneca

A good character is the only guarantee of everlasting, carefree happiness.

— Seneca virtue

Letters 27.3

To be everywhere is to be nowhere.

— Seneca action

Letters 2.2

Time heals what reason cannot.

— Seneca wisdom

Letters 63.12

So-called pleasures, when they go beyond a certain limit, are but punishments.

— Seneca control

Letters 83.25

If one does not know to which port one is sailing, no wind is favorable.

— Seneca action

Letters 71

Philosophy does not promise to secure anything external for man, otherwise it would be admitting something that lies beyond its proper subject-matter.

— Seneca wisdom

Letters 16.3

A man is as unhappy as he has convinced himself he is.

— Seneca control

Letters 78.13

Let us prepare our minds as if we'd come to the very end of life.

— Seneca mortality

Letters 101.7

No person has the power to have everything they want, but it is in their power not to want what they don't have.

— Seneca control

Attributed, after Letters 123

Associate with people who are likely to improve you.

— Seneca virtue

Letters 7.8