As one wise man said to me: Unittests push all those annoying little pebbles out of your way, so you can walk easier. Certainly, there might still be a hole you

As one wise man said to me: Unittests push all those annoying little pebbles out of your way, so you can walk easier. Certainly, there might still be a hole you fall in, or a gigantic rock you will need to navigate around, but all those tiny annoying pebbles which easily make you slip are gone.