Preliminary Exam CSAT July 11

1. Scientific knowledge has its dangers, but so has every great thing. Over and beyond the dangers with which it threatens the present, it opens up as nothing else can, the vision of a possible happy world; a world without poverty, without war, with little illness. Science, whateverunpleasant consequences it may have by the way, is in its very nature a liberator.

Which one of the following is the most important implication of the passage?