科学家能不能认同一项科学假设取决于客观事实，而不取决这项假设是否与某种道德观念或宗教信仰相一致。从这种意义上来说，科学本身并不涉及价值判断。

Science is value free in the sense that scientific hypotheses have to be accepted or rejected on the basis of facts and not on the basis of their consistency with any ethical or religious belief.

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