Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life.
Marcus AureliusYour mind will be like its habitual thoughts; for the soul becomes dyed with the color of its thoughts. Soak it then in such trains of thoughts as, for example: Where life is possible at all, a right life is possible.
Marcus AureliusThere is change in all things. You yourself are subject to continual change and some decay, and this is common to the entire universe.
Marcus Aurelius