How shallow, puny, and imperfect are efforts to sound the depths in the nature of things. In philosophical discussion, the merest hint of dogmatic certainty as to finality of statement is an exhibition of folly.

Alfred North Whitehead (1861-1947) English mathematician and philosopher

Process and Reality: An Essay in Cosmology, Preface (1929)
    (Source)

The book is a collection of his Gifford Lectures, University of Edinburgh (1927-1928).