“I lift my eyes to the mountains, from whence will come my help? My help is from G-d, who creates heaven and earth.” —Psalms 121:1-2. People believe that only fools are optimists. But the opposite is true. Precisely because we understand how desperate the situation really is, how helpless we are, and how impossible the challenge, that itself tells us that we cannot survive without the help of the One Above, the One who created all this...