1) There is nothing hidden. What you are looking at is the real thing. 2) In computing, the way something displays on the screen is the way it will display in print (or other media) -- hence the acronym WYSIWYG.
When a situation is difficult or dangerous, strong people work harder to resolve the problem. This saying relies on a difficult play on words; it could be rephrased word-for-word as: "When the situation becomes hard, strong people start working."