Dig within. Within is the wellspring of Good; and it is always ready to bubble up, if you just dig.
— Marcus Aurelius

Disappointment is an endless wellspring of comedy inspiration.
Martin Freeman wellspring quote

Best friend, my well-spring in the wilderness!
— George Eliot

Our senses are indeed our doors and windows on this world, in a very real sense the key to the unlocking of meaning and the wellspring of creativity.
— Jean Houston

I also like to look at the dynamic that takes place between religion and science because, in a way, both are asking the same questions: Who are we? Where do we come from? Why are we here? Where are we going? The methodologies are diametrically opposed, but their motivation is the same; the wellspring is the same in both cases.
— J. Michael Straczynski