"The choice, however, is as clear now for nations as it was once for the individual: peace or extinction"

This quote by Lester B. Pearson is a suggestion that the exact same choice that individuals have to make in between peace and extinction is now an option that countries need to make. It is a warning that if nations do not choose peace, they will face extinction. Pearson is emphasizing the importance of peace and the effects of not choosing it. He is suggesting that nations must make the best decision and pick peace in order to avoid destruction. This quote is a reminder that peace is vital for the survival of nations which it is a choice that needs to be made. It is a call to action for countries to select peace and to interact to guarantee a better future.