Authors:

...if I see but one smile on your lips when we meet, occasioned by this or any other exertion of mine, I shall need no other happiness.

Mary Wollstonecraft Shelley (2014). “Frankenstein: or, the Modern Prometheus”, p.197, First Avenue Editions
...if I see but one smile on your lips when we meet, occasioned by this or any other exertion of mine, I shall need no other happiness.