We must eliminate all nuclear weapons in order to eliminate the grave risk they pose to our world. This will require persistent efforts by all countries and peoples. A nuclear war would affect everyone, and all have a stake in preventing this nightmare.

True security is based on people's welfare - on a thriving economy, on strong public health and education programmes, and on fundamental respect for our common humanity. Development, peace, disarmament, reconciliation and justice are not separate from security; they help to underpin it.

Nuclear disarmament is one of the greatest legacies we can pass on to future generations.

Ban Ki-moon Quotes