Bernal is the Chairman of the Presidential Committee of the World Council of Peace.

Bernal calls the Chinese nuclear test of 16 October 1964 "a matter of deep regret and concern". Bernal also states as significant "... U Thant's proposal for a conference of the nuclear powers, including China, to seek agreement on a total ban on nuclear weapons tests."

The year "1964" has been added to the date in pencil.