What does he that would fish must venture the bait mean?

The phrase "he that would fish must venture the bait" suggests that to achieve a desired outcome, one must take risks and actively engage in the process. Just as a fisherman must use bait to catch fish, individuals must be willing to put themselves out there, facing uncertainties and challenges, in order to attain their goals. Essentially, it emphasizes the importance of taking initiative and embracing risk in pursuit of success.