FOR, amidst perturbations and griefs and fears, and disappointed desires and incurred aversions, how can there be any entrance for happiness? And, where there are corrupt principles, there must all these things necessarily be.
EPICTETUS. DISCOURSES. Book iii. §22. ¶6.
EVERY nature is content with itself when it speeds well on its way; and a rational nature speeds well on its way, when in its impressions it gives assent to nothing that is false or obscure, and directs its impulses towards none but social acts, and limits its inclinations and its aversions only to things that are in its power, and welcomes all that the Universal Nature allots it.
MARCUS AURELIUS. MEDITATIONS. Book viii. 7.