"I'm not sure I really am a Humanist. I describe myself as a rigorous agnostic, which means that you cannot declare as a matter of material truth something that is in fact a matter of spiritual belief."

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After all, we scientific workers ... like women, are the victims of fashion: at one time we wear dissociated ions, at another electrons; and we are always loth to don rational clothing; some fixed belief we must have manufactured for us: we are high or low church, of this or that degree of nonconformity, according to the school in which we are brought up-but the agnostic is always rare of us and of late years the critic has been taboo.

— Henry Edward Armstrong