“It is not ignorance but knowledge which is the mother of wonder.”

“If people destroy something replaceable made by mankind, they are called vandals; if they destroy something irreplaceable made by God, they are called developers.”

“Security depends not so much upon how much you have, as upon how much you can do without.”

“Cats seem to go on the principle that it never does any harm to ask for what you want.”

“Cats are rather delicate creatures and they are subject to a good many different ailments, but I have never heard of one who suffered from insomnia.”

“If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.”

“The snow itself is lonely or, if you prefer, self-sufficient. There is no other time when the whole world seems composed of one thing and one thing only.”

“It is not ignorance but knowledge which is the mother of wonder.”

“Security depends not so much upon how much you have as upon how much you can do without.”

“Though many have tried no one has ever yet explained away the decisive fact that science which can do so much cannot decide what it ought to do.”

“Cats seem to go on the principle that it never does any harm to ask for what you want.”