Do not waste what remains of your life in speculating about your neighbors, unless with a view to some mutual benefit. To wonder what so-and-so is doing and why, or what he is saying, or thinking, or scheming — in a word, anything that distracts you from fidelity to the ruler within you — means a loss of opportunity for some other task.

Meditations (ed. Penguin, 2005) - ISBN: 9781101655979