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

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

"The proper method of inquiry is to begin with experiments and then proceed to reasoning."

"I have always been of the opinion, that the best way to convince men of their errors, is to lay before them a clear and distinct view of the truth."

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