"It is impossible to imagine a more complete fusion with nature than that of the Gypsy"

"Mother love is the fuel that enables a normal human being to do the impossible"

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

"What is real is not the external form, but the essence of things... it is impossible for anyone to express anything essentially real by imitating its exterior surface"

"It is impossible to begin to learn that which one thinks one already knows"

"Nature and wisdom never are at strife"

"We cannot command Nature except by obeying her"

"He loves nature in spite of what it did to him"

"Where is human nature so weak as in the bookstore?"

"The sound of the human voice is the best of nature but only if it comes out from the feelings"

"The only way of finding the limits of the possible is by going beyond them into the impossible"