That love is suffering is easy to see, for before the love becomes equally balanced on both sides there is no torment greater, since the lover is always in fear that his love may not gain its desire and that he is wasting his efforts.
Andreas Cappelanus, The Art of Courtly Love
It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small. — Neil Armstrong