I regard the death penalty as a savage and immoral institution that undermines the moral and legal foundations of society.

International affairs must be completely permeated with scientific methodology and a democratic spirit, with a fearless weighing of all facts, views, and theories, with maximum publicity of ultimate and intermediate goals, and with a consistency of principles.

A country which does not respect the rights of its own citizens will not respect the rights of its neighbours

I regard the death penalty as a savage and immoral institution that undermines the moral and legal foundations of society. I reject the notion that the death penalty has any essential deterrent effect on potential offenders. I am convinced that the contrary is true - that savagery begets only savagery.

You can't sit on two chairs at once.

In and after 1964 when I began to concern myself with the biological issues, and particularly from 1967 onwards, the extent of the problems over which I felt uneasy increased to such a point that in 1968 I felt a compelling urge to make my views public.

I regard the death penalty as a savage and immoral institution that undermines the moral and legal foundations of society.