"A young man who wishes to remain a sound atheist cannot be too careful of his reading."

"Look at the bright side no matter how old you are, you are younger than you'll ever be again."

"I like this place and could willingly waste my time in it."

"Nature teaches beasts to know their friends."

"Love is a canvas furnished by Nature and embroidered by imagination."

"The art of medicine consists of amusing the patient while nature cures the disease."