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What is the main idea of this phrase?

In a recent speech in Canada, Gladstone Murray said:

The central fact is that man is fundamentally a moral being, that the light we have is imperfect does not matter so long as we are always trying to improve it ... we are equal in sharing the moral freedom that distinguishes us as men. Man’s status makes each individual an end in himself. No man is by nature simply the servant of the state or of another man ... the ideal and fact of freedom -- and not technology -- are the true distinguishing marks of our civilization.