There is no greater magnificence than to defeat oneself. That is the magnificence.
The really important thing is not to live, but to live well. And to live well meant, along with more enjoyable things in life, to live according to your principles.
The years wrinkle our skin, but lack of enthusiasm wrinkles our soul.
You don't know what you don't know.
In all of us, even in good men, there is a lawless wild-beast nature, which peers out in sleep.
Do it because it's in your heart. Not because you want something in return. Employ your time in improving yourself by other men's writings, so that you shall gain easily what others have labored hard for.