“Our errors are surely not such awfully solemn things. In a world where we are so certain to incur them in spite of all our caution, a certain lightness of heart seems healthier than this excessive nervousness on their behalf.”

American psychologist and philosopher, late 19th to early 20th century. He founded functional psychology and explored the interplay between mind and body, emphasizing practical experience and individual freedom. His work on pragmatism and religious belief remains influential in both academic and personal thought.