"The human mind is in a state of perpetual oscillation between the actual and the possible."

"The mathematical difficulties of the subject are so enormous that it is only by great patience and perseverance that we can hope to overcome them."

"In the present state of science, it would be a rash thing to assert that any one physical constant is absolutely constant."

"In the very beginning of science, the parsons, who managed things then, Being handy with hammer and chisel, made gods in the likeness o' men; Till Commerce arose and at length some men of exceptional …"

"I think men of science as well as other men need to learn from Christ, and I think Christians whose minds are scientific are bound to study science that their view of the glory of God may be as extens…"