"Evolution seems to close the heart to some of the plainest spiritual truths while it opens the mind to the wildest guesses advanced in the name of science"

This quote by William Jennings Bryan talks to the concept that development can be a double-edged sword. On one hand, it can open the mind to new possibilities and theories, allowing us to explore the world around us in a scientific method. On the other hand, it can close the heart to spiritual truths, as it can be hard to fix up scientific truths with spiritual beliefs. This quote suggests that while evolution can be a powerful tool for understanding the world, it can also lead to a detach in between science and spirituality. Bryan's quote is a suggestion that we ought to be mindful of the prospective consequences of accepting development, which we need to make every effort to keep a balance in between science and spirituality.