Life is short. Do not forget about the most important things in our life, living for other people and doing good for them.

Why should any of these things that happen externally distract thee? Give thyself leisure to learn some good thing: cease roving to and fro.

If any man should conceive certain things as being really good, such as prudence, temperance, justice, fortitude, he would not after having first conceived these endure to listen to anything which should not be in harmony with what is really good.

Thou seest how few be the things, the which if a man has at his command his life flows gently on and is divine.

We are born for cooperation

When you have trouble getting out of bed in the morning, remember that your defining characteristic-what defines a human being-is to work with others.

One of the recurring themes in Marcus' handbook is leadership's responsibility to work intelligently with what it is given and not waste time fantasizing about a world of flawless people and perfect choices.