"I have often been surprised at the credulity of mankind; but I have also been surprised at their obstinacy."

"The most difficult task is often the most rewarding."

"The most beautiful part of the human frame is the eye; and yet it is the most liable to disease."

"I have always endeavoured to act upon the principle, that what is right to be done, should be done with all our might."

"I have often been accused of being too sanguine in my expectations; but time will show whether I am right or wrong."