“He ought to question them upon everything, and listen to their opinions, and afterwards form his own conclusions.” The Prince

Now just as the historical gives occasion for the contemporary to become a disciple, but only it must be noted through receiving the condition from the God himself, since otherwise we speak Socratically, so the testimony of contemporaries gives occasion for each successor to become a disciple, but only it must be noted through receiving the condition from the God himself. Philosophical Fragments 

Remember that you ought to behave in life as you would at a banquet. As something is being passed around it comes to you; stretch out your hand, take a portion of it politely. It passes on; do not detain it. Or it has not come to you yet; do not project your desire to meet it, but wait until it comes in front of you. So act toward children, so toward a wife, so toward office, so toward wealth. The Enchiridion

Death hangs over thee: whilst yet thou livest, whilst thou mayest, be good. Book IV