Seneca,
Moral letters to Lucilius — Letter 53…
“ Philosophy, however, is the only power that can stir us, the only power that can shake off our deep slumber. Devote yourself wholly to philosophy. You are worthy of her; she is worthy of you; greet one another with a loving embrace. Say farewell to all other interests with courage and frankness. Do not study philosophy merely during your spare time. [8] 9. If you were ill, you would stop caring for your personal concerns, and forget your business duties; you would not think highly enough of any client to take active charge of his case during a slight abatement of your sufferings. ”
