The happiness of your life depends upon the quality of your thoughts: therefore, guard accordingly, and take care that you entertain no notions unsuitable to virtue and reasonable nature.
Marcus AureliusOnly to the rational animal is it given to follow voluntarily what happens; but simply to follow is a necessity imposed on all.
Marcus AureliusWe must press on then, in haste; not simply because every hour brings us nearer to death, but because even before then our powers of perception and comprehension begin to deteriorate.
Marcus Aurelius