I do not steal victory. - Alexander the Great

Now you fear punishment and beg for your lives, so I will let you free, if not for any other reason so that you can see the difference between a Greek king and a barbarian tyrant, so do not expect to suffer any harm from me. A king does not kill messengers.

Our enemies are Medes and Persians, men who for centuries have lived soft and luxurious lives; we of Macedon for generations past have been trained in the hard school of danger and war. Above all, we are free men, and they are slaves. There are Greek troops, to be sure, in Persian service — but how different is their cause from ours! They will be fighting for pay — and not much of at that; we, on the contrary, shall fight for Greece, and our hearts will be in it. As for our foreign troops — Thracians, Paeonians, Illyrians, Agrianes — they are the best and stoutest soldiers in Europe, and they will find as their opponents the slackest and softest of the tribes of Asia. And what, finally, of the two men in supreme command? You have Alexander, they — Darius!

Know ye not that the end and object of conquest is to avoid doing the same thing as the conquered?