The effect of one good-hearted person is incalculable.

It is essential that justice be done, and it is equally vital that justice not be confused with revenge, for the two are wholly different.

Nuclear arms kill many people all at once, but other weapons kill many people, little by little, every day, everywhere in the world.

Peace consists, very largely, in the fact of desiring it with all one's soul. The inhabitants of my small country, Costa Rica, have realized those words by Erasmus. Mine is an unarmed people, whose children have never seen a fighter or a tank or a warship.

The more freedom we enjoy, the greater the responsibility we bear, toward others as well as ourselves.

I would like to see the U.S. fighting another war, perhaps in addition to that against terror: a war on poverty, illiteracy, disease and environmental degradation. It is certainly within the power of your country to act on all of these fronts, but, unfortunately, your leaders have become obsessed with a single issue.

The problem with basing weapons sales on strategic interest is that these interests tend to shift over time, while weapons are durable goods that do not evaporate as quickly as some alliances do. Once supplied, they can't be taken back. That leads to situations such as the ones we have seen in Iraq, Somalia.