A man may die, nations may rise and fall, but an idea lives on.
Interpretation
Ideas have a lasting impact beyond individual lives and changing societies.
This quote by John F. Kennedy emphasizes the enduring power of ideas in contrast to the impermanence of human life and governments. While individuals may perish and nations may experience turmoil and transformation, the ideas they generate can remain influential and transformative throughout history, shaping the future long after their originators are gone.
In practice
During a graduation speech to inspire students about their potential impact on the world.
The great battleground for the defense and expansion of freedom today is the whole southern half of the globe... the lands of the rising peoples. Their revolution is the greatest in human history. They seek an end to injustice, tyranny and exploitation. More than an end, they seek a beginning.
I had always enjoyed the title of Commander-in-Chief until I was informed ... that the only forces that cannot be transferred from Washington without my express permission are the members of the Marine Corps Band. Those are the only forces I have. I want it announced that we propose to hold the White House against all odds at least for some time to come.
I am talking about genuine peace, the kind of peace that makes life on earth worth living, the kind that enables men and nations to grow and to hope and to build a better life for their children - not merely peace for Americans but peace for all men and women - not merely peace in our time but peace for all time.
I just received the following wire from my generous Daddy; Dear Jack, Don't buy a single vote more than is necessary. I'll be damned if I'm going to pay for a landslide.
Tolerance implies no lack of commitment to one's own beliefs. Rather it condemns the oppression or persecution of others.
Mankind must put an end to war before war puts an end to mankind.
Nothing living should ever be treated with contempt. Whatever it is that lives, a man, a tree, or a bird, should be touched gently, because the time is short. Civilization is another word for respect for life.
Probably a dozen times since their death I've heard my mother or father, in an ordinary conversational tone of voice, call my name. They had called my name often during my life with them ... It doesn't seem strange to me.
There's the constant concern with what happens to you when you die. Every society thinks about that and makes things to deal with that.
For the rest, they shall represent the other Free Peoples of the World: Elves, Dwarves, and Men, Legolas shall be for the Elves; and Gimli son of Gloin for the Dwarves. They are willing to go at least to the passes of the Mountains, and maybe beyond. For Men you shall have Aragorn son of Arathorn, for the Ring of Isildur concerns him closely.
It is surely unreasonable to credit that only one small star in the immensity of the universe is capable of developing and supporting intelligent life. But we shall not get to them and they will not come to us.
Things of which there is sight, hearing, apprehension, these I prefer.
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