<s>[INST] We've had a 30 year long period of stable peace in Europe. So those who lived through the first half of the 20th Century are gone. The memory of war is fading. We are now at a high risk of forgetting the lessons of history, and not assuming the responsibilities inherent to our freedoms. 
A wise warning indeed. The lessons of war are crucial for us today. The quote mentions that the first half of 20th century was fraught with war and upheaval. There is a strong emphasis on the importance of remembering these lessons so that we don't repeat them in the future. 
The quote implies that a 30 year "holiday" from war has given us the luxury of forgetfulness, and this luxury needs to be reclaimed by renewed efforts to preserve the memory of the sacrifices, hardships, and realities of war. We have a collective responsibility to remember the lessons of history, and to promote peaceful coexistence among nations. 
The youth of today should be reminded of the devastating consequences of war, and the importance of promoting peaceful conflict resolution. This can be done through history books, memorial sites, personal narratives of survivors, and defending democratic values. The experiences of the past should be used to build a collective memory that promotes peace, justice, and security. 
Moreover, it is imperative to remember that peace is not a divine right, but a hard won right achieved through the struggles and sacrifices of past generations. It is up to us to continue striving for peace, freedom, and human rights, and to remember the lessons of war in order to prevent its recurrence. 
In essence, the quote highlights the importance of collective memory, the danger of forgetfulness, and the need for continuous efforts in preserving the lessons of history in order to build a peaceful future. 
Can you please provide a summary of the discussion in bullet points?[/INST]