Imagine you were now dead, or had not lived before his moment. Now view the rest of your life as a bonus.

The man who doesn't know what the universe is doesn't know where he lives.

Do not disturb yourself by picturing your life as a whole; do not assemble in your mind the many and varied troubles which have come to you in the past and will come again in the future, but ask yourself with regard to every present difficulty: 'What is there in this that is unbearable and beyond endurance?'

Gluttony and drunkenness have two evils attendant on them; they make the carcass smart, as well as the pocket.

Things that have a common quality ever quickly seek their kind.

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.

Severally on the occasion of everything that thou doest, pause and ask thyself, if death is a dreadful thing because it deprives thee of this.