The part I liked the most:
Start being a leader as soon as you put on your civilian clothes. If you see intolerance and hate, speak out against them. Make your individual voices heard, not for selfish things, but for honor and decency among men, for the rights of all people.
Remember too, that No American can afford to be disinterested in any part of his government, whether it is county, city, state or nation.
Choose your leaders wisely- that is the way to keep ours the country for which you fought. Make sure that those leaders are determined to maintain peace throughout the world. You know what war is. You know that we must not have another. As individuals you can prevent it if you give to the task which lies ahead the same spirit which you displayed in uniform.
... I know the people of America are counting on you.
General J M WAINWRIGHT
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