Always remember that you were once alone, and the crowd you see in your life today are just as unecessary as when you were alone.
The enigma at the heart of quantum reality can be summed up in a single motto: what we see when we look at the world seems to be fundamentally different from what actually is.
I'm a walking, talking enigma. We're a dying breed.
Without the spiritual world the material world is a disheartening enigma.
Russia is a riddle wrapped in a mystery inside an enigma.