"It is a shameful thing for a Christian to be ignorant of the works of nature."

"The blood of a living creature is a most elaborate and curiously contrived liquor."

"The more I study nature, the more I am amazed at the wisdom and power of God."

"I have often observed that those who are most desirous of learning, are generally the most humble."

"I could not find in all the shops in London a glass bubble strong enough to resist the pressure of the air when exhausted."