Digging wells. That's what Isaac did.
I'm sure that's not the only thing he did, and he had a very fruitful existence with many accomplishments, but for some reason, the Torah shares that random bit of info with us.
A well teaches us the beautiful fusion of effort and blessing.
We've got to dig, and there's a certain amount of toil involved. In fact, it might seem like instead of getting to a life-nourishing refreshing stream of water, we are just getting sweaty and covered in dirt. Yet, if you stick to it, eventually you break through.
The water you discover, you didn't put there, it's not there as a result of your efforts, you can't even say that you earned it. Yet, if we throw ourselves into our work - or into whatever goal we hope to achieve, a connection to Hashem that we wish to forge - and we do it with dedication and commitment, Hashem makes available life-sustaining blessings.
May we all invest our energies in good and noble pursuits and be blessed with a disproportionate amount of goodness.
ב"ה