Ban Ki-moon Practical Quotations

Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on this precious speck of matter... the greatest gift that could be bestowed upon us. For all practical purposes, there is only one planet Earth.

People understand that nuclear weapons cannot be used without indiscriminate effects on civilian populations. Such weapons have no legitimate place in our world. Their elimination is both morally right and a practical necessity in protecting humanity.