A quote from Meditations

“Erase the false impressions from your mind by constantly saying to yourself, I have it in my soul to keep out any evil, desire or any kind of disturbance—instead, seeing the true nature of things, I will give them only their due. Always remember this power that nature gave you.” —MARCUS AURELIUS, MEDITATIONS, 8.29

It is high time for thee to understand the true nature both of the world, whereof thou art a part; and of that Lord and Governor of the world, from whom, as a channel from the spring, thou thyself didst flow: and that there is but a certain limit of time appointed unto thee, which if thou shalt not make use of to calm and allay the many distempers