You have power over your mind, not outside events. Realize this, and you will find strength.

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Marcus Aurelius
Roman emperor (161–180 CE) and Stoic philosopher; author of Meditations. Last of the Five Good Emperors; lived 121–180.
13 quotes
The happiness of your life depends upon the quality of your thoughts.
When you arise in the morning, think of what a precious privilege it is to be alive.
The best revenge is to be unlike him who performed the injury.
Very little is needed to make a happy life; it is all within yourself, in your way of thinking.
Waste no more time arguing about what a good man should be. Be one.
The soul becomes dyed with the color of its thoughts.
If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it.
Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.
How much more grievous are the consequences of anger than the causes of it.
Be tolerant with others and strict with yourself.
Loss is nothing else but change, and change is Nature's delight.
The impediment to action advances action. What stands in the way becomes the way.