Why would the question need context? It is not asking of a specific instance, as in, was it reasonable that such a thing happened at such a time, but generally.
That is, do you think that reason reigns supreme from your practical experience of life.
That is, do you think that reason reigns supreme from your practical experience of life.
If your intention was, however, to restrict your question to mere humans, it should have read something like, "Are human beings eminently rational?" But I doubt that was your intention.