from Sayings of Light and Love
St. John of the CrossThe Lord has always revealed to mortals the treasures of his wisdom and his spirit, but now that the face of evil bares itself more and more, so does the Lord bare his treasures more.
On the community of believers:
Source as noted above
7. The virtuous soul that is alone and without a master is like a lone burning coal; it will grow colder rather than hotter.
8. Those who fall alone remain alone in their fall, and they value their soul little since they entrust it to themselves alone.
9. If you do not fear falling alone, do you presume that you will rise up alone? Consider how much more can be accomplished by two together than by one alone.
Although originally written for cloistered nuns, I think the truth of these statements resonates for every Catholic.