"Mayor of Philadelphia Website"

"It needs the presence of special difficulties to manifest to all the workings of God’s mighty power, and fo…"

"We must get rid of the silly, sloppy idea that all people are equal in capacity."

"The heart of animals is the foundation of their life, the sovereign of everything within them, the sun of t…"

"I was astonished to discover that working in the laboratory—doing science in collaboration with interesting…"

"Yet still we hug the dear deceit."

"In former days all animals could speak and so could the flowers, the trees and the stones and all lifeless …"