Letter 76 — On Learning Wisdom in Old Age (§30)

“This, therefore, is the only good, and not only is every soul that has reached perfection aware of it, but also every soul that is by nature noble and of right instincts; all other goods are trivial and mutable. For this reason we are harassed if we possess them. Even though, by the kindness of Fortune, they have been heaped together, they weigh heavily upon their owners, always pressing them down and sometimes crushing them.”