He will say so, and you may disagree with him too - politely, of course!
你也可能会不同意他的看法——当然,你应该礼貌地告诉他。
If we were able to discover lowly forms of life like bacteria on another planet, it would completely change our view of ourselves.
如果我们能够在另一颗行星上找到诸如细菌的那种低等生命,那么这个发现将彻底改变我们对我们自己的看法。